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A natural number (i.e. 1, 2, 3, 4, 5, 6, etc.) is called a prime number (or a prime) if it has exactly two positive divisors, 1 and the number itself. Natural numbers greater than 1 that are not prime are called composite.

The first 1X5 prime numbers (all the prime numbers less than 1000) are:

2, 3, 5, 7, E, 11, 15, 17, 1E, 25, 27, 31, 35, 37, 3E, 45, 4E, 51, 57, 5E, 61, 67, 6E, 75, 81, 85, 87, 8E, 91, 95, X7, XE, E5, E7, 105, 107, 111, 117, 11E, 125, 12E, 131, 13E, 141, 145, 147, 157, 167, 16E, 171, 175, 17E, 181, 18E, 195, 19E, 1X5, 1X7, 1E1, 1E5, 1E7, 205, 217, 21E, 221, 225, 237, 241, 24E, 251, 255, 25E, 267, 271, 277, 27E, 285, 291, 295, 2X1, 2XE, 2E1, 2EE, 301, 307, 30E, 315, 321, 325, 327, 32E, 33E, 347, 34E, 357, 35E, 365, 375, 377, 391, 397, 3X5, 3XE, 3E5, 3E7, 401, 40E, 415, 41E, 421, 427, 431, 435, 437, 447, 455, 457, 45E, 465, 46E, 471, 481, 485, 48E, 497, 4X5, 4E1, 4EE, 507, 511, 517, 51E, 527, 531, 535, 541, 545, 557, 565, 575, 577, 585, 587, 58E, 591, 59E, 5E1, 5E5, 5E7, 5EE, 611, 615, 617, 61E, 637, 63E, 647, 655, 661, 665, 66E, 675, 687, 68E, 695, 69E, 6X7, 6E1, 701, 705, 70E, 711, 71E, 721, 727, 735, 737, 745, 747, 751, 767, 76E, 771, 775, 77E, 785, 791, 797, 7X1, 7EE, 801, 80E, 817, 825, 82E, 835, 841, 851, 855, 85E, 865, 867, 871, 881, 88E, 8X5, 8X7, 8XE, 8E5, 8E7, 901, 905, 907, 90E, 91E, 921, 927, 955, 95E, 965, 971, 987, 995, 9X7, 9XE, 9E1, 9E5, 9EE, X07, X0E, X11, X17, X27, X35, X37, X3E, X41, X45, X4E, X5E, X6E, X77, X87, X91, X95, X9E, XX7, XXE, XE7, XEE, E11, E15, E1E, E21, E25, E2E, E31, E37, E45, E61, E67, E6E, E71, E91, E95, E97, EX5, EE5, EE7

The first 400 prime numbers are listed below:

nnth primennth primennth primennth prime
12101591201110730118E7
2310259E202111530218EE
351035E120311253031911
471045E5204112E3041915
5E1055E720511353051921
6111065EE206114E3061931
71510761120711513071937
81710861520811653081947
91E1096172091167309194E
X2510X61E20X118530X1955
E2710E63720E118E30E1971
103111063E2101197310197E
113511164721111X13111981
123711265521211X53121995
133E11366121311X731319E7
144511466521411XE31419EE
154E11566E21511E73151X01
165111667521612013161X11
1757117687217120E3171X17
185E11868E21812113181X1E
1961119695219121E3191X2E
1X6711X69E21X123131X1X35
1E6E11E6X721E123E31E1X41
20751206E122012453201X45
218112170122112553211X51
228512270522212573221X6E
238712370E223125E3231X71
248E12471122412613241X75
259112571E225126E3251X77
2695126721226127E3261X87
27X712772722712813271XXE
28XE12873522812953281XE1
29E512973722912973291XE7
2XE712X74522X12X132X1E01
2E10512E74722E12X532E1E07
3010713075123012X73301E0E
3111113176723112E53311E15
3211713276E23213013321E17
3311E13377123313173331E27
3412513477523413373341E2E
3512E13577E235133E3351E3E
3613113678523613453361E41
3713E13779123713513371E4E
3814113879723813653381E51
391451397X123913673391E65
3X14713X7EE23X136E33X1E67
3E15713E80123E137733E1E7E
4016714080E240138E3401E85
4116E14181724113913411EX1
4217114282524213953421EE5
4317514382E24313X13432001
4417E14483524413X73442005
4518114584124513E13452007
4618E14685124613E5346200E
4719514785524714053472011
4819E14885E2481407348202E
491X514986524914253492037
4X1X714X86724X142E34X2047
4E1E114E87124E143134E2051
501E51508812501437350205E
511E715188E251143E3512061
522051528X525214453522065
532171538X72531457353206E
5421E1548XE25414613542071
552211558E525514653552077
562251568E725614673562085
5723715790125714713572087
5824115890525814753582097
5924E159907259147E35920X5
5X25115X90E25X148E35X20X7
5E25515E91E25E149535E20E5
6025E160921260149E3602107
6126716192726114E13612111
6227116295526214E53622115
6327716395E26314EE363211E
6427E164965264150E3642127
6528516597126515173652131
6629116698726615213662137
672951679952671525367214E
682X11689X72681547368215E
692XE1699XE26915613692161
6X2E116X9E126X156E36X2165
6E2EE16E9E526E157736E2177
703011709EE270157E3702181
71307171X0727115853712185
7230E172X0E27215873722191
73315173X112731591373219E
74321174X1727415XE37421X7
75325175X2727515EE37521E1
76327176X35276160137621E7
7732E177X3727716153772215
7833E178X3E2781621378221E
79347179X4127916253792221
7X34E17XX4527X163537X222E
7E35717EX4E27E164737E2241
8035E180X5E28016553802245
81365181X6E2811657381224E
82375182X77282165E3822265
83377183X8728316673832267
84391184X9128416713842275
85397185X9528516773852287
863X5186X9E286167E386228E
873XE187XX728716813872291
883E5188XXE2881685388229E
893E7189XE7289168E38922E1
8X40118XXEE28X169738X22E5
8E40E18EE1128E169E38E2301
90415190E1529016X13902317
9141E191E1E29116X7391231E
92421192E2129216E53922325
93427193E2529316E73932327
94431194E2E2941705394232E
95435195E3129517113952335
96437196E3729617153962337
97447197E4529717273972347
98455198E612981735398234E
99457199E6729917453992367
9X45E19XE6E29X174739X2385
9E46519EE7129E175139E2395
X046E1X0E912X017553X02397
X14711X1E952X117573X1239E
X24811X2E972X2176E3X223X5
X34851X3EX52X317813X323XE
X448E1X4EE52X417853X423E1
X54971X5EE72X5178E3X523E7
X64X51X610052X617973X62415
X74E11X710112X717X13X72417
X84EE1X810172X817X53X82421
X95071X910212X917EE3X92435
XX5111XX10272XX18073XX243E
XE5171XE10412XE18153XE244E
E051E1E010472E0181E3E02451
E15271E1104E2E118253E12457
E25311E210512E218313E22467
E35351E310612E3183E3E3247E
E45411E4106E2E4184E3E42481
E55451E5107E2E518613E52485
E65571E610872E618653E6248E
E75651E7109E2E7186E3E724X1
E85751E810E12E818753E824X5
E95771E910E72E918773E924X7
EX5851EX10EE2EX189E3EX2501
EE5871EE11012EE18X13EE2521
10058E200110530018XE400252E

Except 2 and 3, all primes end with 1, 5, 7 or E. The first k such that all of 10k, 10k + 1, 10k + 2, ..., 10k + E are composite is 38, i.e. all of 380, 381, 382, ..., 38E are composite. (numbers k such that all of 10k, 10k + 1, 10k + 2, ..., 10k + E are composite are 38, 5X, 60, 62, 89, 93, 94, E0, E5, E8, ...)

The maximal gaps of the primes less than 1000 is (927, 955), the gap (the difference of these two numbers) is 2X (i.e. there are 29 consecutive composites between 927 and 955).

The density of primes end with 1 is a relatively low (< 1/4), but the density of primes end with 5, 7 and E are nearly equal (all are a little more than 1/4). (i.e. for a given natural number N, the number of primes end with 1 less than N is usually smaller than the number of primes end with 5 (or 7, or E) less than N) e.g. For all 1426 primes < 10000, there are 3E8 primes (2E.3%) end with 1, 410 primes (30.3%) end with 5, 412 primes (30.5%) end with 7, 406 primes (2E.E%) end with E. It is conjectured that for every natural number N ≥ 10, the number of primes end with 1 less than N is smaller than the number of primes end with 5 (or 7, or E) less than N. (Note: the percentage in this section are also in dozenal, i.e. 20% means 0.2 or 20/100 = 1/6, 36% means 0.36 or 36/100 = 7/20, 58.7% means 0.587 or 587/1000)

13665 is the smallest prime p such that the number of primes end with 1 or 5 ≤ p is more than the number of primes end with 3, 7 or E ≤ p (i.e. congruent to 1 or 3 mod 4, see [1], of course, 3 is the only prime ends with 3). Besides, 9X03693X831 is the smallest prime p such that the number of primes end with 1 or 7 ≤ p is more than the number of primes end with 2, 5 or E ≤ p (i.e. congruent to 1 or 2 mod 3, see [2], of course, 2 is the only prime ends with 2). Besides, 2E69E is the smallest prime p such that the number of primes end with 1 or E ≤ p is more than the number of primes end with 5 or 7 ≤ p (of course, 2 is the only prime ends with 2, and 3 is the only prime ends with 3). Question: What is the smallest prime p such that the number of primes end with 1 ≤ p is more than the number of primes end with dp for at least one of d = 5, 7 or E?

"prime race" of last digit the smallest number which (the set which has "1") wins
{1, 5} v.s. {7, E} 5
{1, 7} v.s. {5, E} 9X03693X821
{1, E} v.s. {5, 7} 2E69E
{1, 5} v.s. {3, 7, E} 13665
{1, 7} v.s. {2, 5, E} 9X03693X831
{1, E} v.s. {2, 5, 7} 2EX51
{1} v.s. {5} ???
{1} v.s. {7} ???
{1} v.s. {E} ???

All squares of primes (except 2 and 3) end with 1.

There are 2X primes between 1 and 100, 23 primes between 101 and 200, 1X primes between 201 and 300, 1X primes between 301 and 400, 1E primes between 401 and 500, 1X primes between 501 and 600, 16 primes between 601 and 700, 1X primes between 701 and 800, 18 primes between 801 and 900, 16 primes between 901 and X00, 1X primes between X01 and E00, 17 primes between E01 and 1000.

There are about N/ln(N) primes less than N, where ln is the natural logarithm, i.e. the logarithm with base e = 2.875236069821... (see prime number theorem), thus there are about

$ \frac{10^n}{n \cdot ln(10)} $ primes less than 10n (i.e. with at most n digits), and ln(10) = 2.599E035E8169...

N total numbers of primes less than N numbers of primes end with 1 less than N numbers of primes end with 5 less than N numbers of primes end with 7 less than N numbers of primes end with E less than N
10 5 0 1 1 1
40 13 2 4 4 3
100 2X 6 9 9 8
400 89 1X 23 23 23
1000 1X5 51 59 59 58
4000 621 157 16X 170 166
10000 1426 3E8 410 412 406
40000 4833 11X4 121E 1219 1211
100000 10852 31X4 3225 3225 321X
400000 3928E E333 E377 E3E9 E3X2
1000000 X4E20 27204 27295 2730X 27333

In the following list, bold and red for prime numbers.


1 2 3 4 5 6 7 8 9 X E 10

11 12 13 14 15 16 17 18 19 1X 1E 20

21 22 23 24 25 26 27 28 29 2X 2E 30

31 32 33 34 35 36 37 38 39 3X 3E 40

41 42 43 44 45 46 47 48 49 4X 4E 50

51 52 53 54 55 56 57 58 59 5X 5E 60

61 62 63 64 65 66 67 68 69 6X 6E 70

71 72 73 74 75 76 77 78 79 7X 7E 80

81 82 83 84 85 86 87 88 89 8X 8E 90

91 92 93 94 95 96 97 98 99 9X 9E X0

X1 X2 X3 X4 X5 X6 X7 X8 X9 XX XE E0

E1 E2 E3 E4 E5 E6 E7 E8 E9 EX EE 100


101 102 103 104 105 106 107 108 109 10X 10E 110

111 112 113 114 115 116 117 118 119 11X 11E 120

121 122 123 124 125 126 127 128 129 12X 12E 130

131 132 133 134 135 136 137 138 139 13X 13E 140

141 142 143 144 145 146 147 148 149 14X 14E 150

151 152 153 154 155 156 157 158 159 15X 15E 160

161 162 163 164 165 166 167 168 169 16X 16E 170

171 172 173 174 175 176 177 178 179 17X 17E 180

181 182 183 184 185 186 187 188 189 18X 18E 190

191 192 193 194 195 196 197 198 199 19X 19E 1X0

1X1 1X2 1X3 1X4 1X5 1X6 1X7 1X8 1X9 1XX 1XE 1E0

1E1 1E2 1E3 1E4 1E5 1E6 1E7 1E8 1E9 1EX 1EE 200


201 202 203 204 205 206 207 208 209 20X 20E 210

211 212 213 214 215 216 217 218 219 21X 21E 220

221 222 223 224 225 226 227 228 229 22X 22E 230

231 232 233 234 235 236 237 238 239 23X 23E 240

241 242 243 244 245 246 247 248 249 24X 24E 250

251 252 253 254 255 256 257 258 259 25X 25E 260

261 262 263 264 265 266 267 268 269 26X 26E 270

271 272 273 274 275 276 277 278 279 27X 27E 280

281 282 283 284 285 286 287 288 289 28X 28E 290

291 292 293 294 295 296 297 298 299 29X 29E 2X0

2X1 2X2 2X3 2X4 2X5 2X6 2X7 2X8 2X9 2XX 2XE 2E0

2E1 2E2 2E3 2E4 2E5 2E6 2E7 2E8 2E9 2EX 2EE 300


301 302 303 304 305 306 307 308 309 30X 30E 310

311 312 313 314 315 316 317 318 319 31X 31E 320

321 322 323 324 325 326 327 328 329 32X 32E 330

331 332 333 334 335 336 337 338 339 33X 33E 340

341 342 343 344 345 346 347 348 349 34X 34E 350

351 352 353 354 355 356 357 358 359 35X 35E 360

361 362 363 364 365 366 367 368 369 36X 36E 370

371 372 373 374 375 376 377 378 379 37X 37E 380

381 382 383 384 385 386 387 388 389 38X 38E 390

391 392 393 394 395 396 397 398 399 39X 39E 3X0

3X1 3X2 3X3 3X4 3X5 3X6 3X7 3X8 3X9 3XX 3XE 3E0

3E1 3E2 3E3 3E4 3E5 3E6 3E7 3E8 3E9 3EX 3EE 400


401 402 403 404 405 406 407 408 409 40X 40E 410

411 412 413 414 415 416 417 418 419 41X 41E 420

421 422 423 424 425 426 427 428 429 42X 42E 430

431 432 433 434 435 436 437 438 439 43X 43E 440

441 442 443 444 445 446 447 448 449 44X 44E 450

451 452 453 454 455 456 457 458 459 45X 45E 460

461 462 463 464 465 466 467 468 469 46X 46E 470

471 472 473 474 475 476 477 478 479 47X 47E 480

481 482 483 484 485 486 487 488 489 48X 48E 490

491 492 493 494 495 496 497 498 499 49X 49E 4X0

4X1 4X2 4X3 4X4 4X5 4X6 4X7 4X8 4X9 4XX 4XE 4E0

4E1 4E2 4E3 4E4 4E5 4E6 4E7 4E8 4E9 4EX 4EE 500


501 502 503 504 505 506 507 508 509 50X 50E 510

511 512 513 514 515 516 517 518 519 51X 51E 520

521 522 523 524 525 526 527 528 529 52X 52E 530

531 532 533 534 535 536 537 538 539 53X 53E 540

541 542 543 544 545 546 547 548 549 54X 54E 550

551 552 553 554 555 556 557 558 559 55X 55E 560

561 562 563 564 565 566 567 568 569 56X 56E 570

571 572 573 574 575 576 577 578 579 57X 57E 580

581 582 583 584 585 586 587 588 589 58X 58E 590

591 592 593 594 595 596 597 598 599 59X 59E 5X0

5X1 5X2 5X3 5X4 5X5 5X6 5X7 5X8 5X9 5XX 5XE 5E0

5E1 5E2 5E3 5E4 5E5 5E6 5E7 5E8 5E9 5EX 5EE 600


601 602 603 604 605 606 607 608 609 60X 60E 610

611 612 613 614 615 616 617 618 619 61X 61E 620

621 622 623 624 625 626 627 628 629 62X 62E 630

631 632 633 634 635 636 637 638 639 63X 63E 640

641 642 643 644 645 646 647 648 649 64X 64E 650

651 652 653 654 655 656 657 658 659 65X 65E 660

661 662 663 664 665 666 667 668 669 66X 66E 670

671 672 673 674 675 676 677 678 679 67X 67E 680

681 682 683 684 685 686 687 688 689 68X 68E 690

691 692 693 694 695 696 697 698 699 69X 69E 6X0

6X1 6X2 6X3 6X4 6X5 6X6 6X7 6X8 6X9 6XX 6XE 6E0

6E1 6E2 6E3 6E4 6E5 6E6 6E7 6E8 6E9 6EX 6EE 700


701 702 703 704 705 706 707 708 709 70X 70E 710

711 712 713 714 715 716 717 718 719 71X 71E 720

721 722 723 724 725 726 727 728 729 72X 72E 730

731 732 733 734 735 736 737 738 739 73X 73E 740

741 742 743 744 745 746 747 748 749 74X 74E 750

751 752 753 754 755 756 757 758 759 75X 75E 760

761 762 763 764 765 766 767 768 769 76X 76E 770

771 772 773 774 775 776 777 778 779 77X 77E 780

781 782 783 784 785 786 787 788 789 78X 78E 790

791 792 793 794 795 796 797 798 799 79X 79E 7X0

7X1 7X2 7X3 7X4 7X5 7X6 7X7 7X8 7X9 7XX 7XE 7E0

7E1 7E2 7E3 7E4 7E5 7E6 7E7 7E8 7E9 7EX 7EE 800


801 802 803 804 805 806 807 808 809 80X 80E 810

811 812 813 814 815 816 817 818 819 81X 81E 820

821 822 823 824 825 826 827 828 829 82X 82E 830

831 832 833 834 835 836 837 838 839 83X 83E 840

841 842 843 844 845 846 847 848 849 84X 84E 850

851 852 853 854 855 856 857 858 859 85X 85E 860

861 862 863 864 865 866 867 868 869 86X 86E 870

871 872 873 874 875 876 877 878 879 87X 87E 880

881 882 883 884 885 886 887 888 889 88X 88E 890

891 892 893 894 895 896 897 898 899 89X 89E 8X0

8X1 8X2 8X3 8X4 8X5 8X6 8X7 8X8 8X9 8XX 8XE 8E0

8E1 8E2 8E3 8E4 8E5 8E6 8E7 8E8 8E9 8EX 8EE 900


901 902 903 904 905 906 907 908 909 90X 90E 910

911 912 913 914 915 916 917 918 919 91X 91E 920

921 922 923 924 925 926 927 928 929 92X 92E 930

931 932 933 934 935 936 937 938 939 93X 93E 940

941 942 943 944 945 946 947 948 949 94X 94E 950

951 952 953 954 955 956 957 958 959 95X 95E 960

961 962 963 964 965 966 967 968 969 96X 96E 970

971 972 973 974 975 976 977 978 979 97X 97E 980

981 982 983 984 985 986 987 988 989 98X 98E 990

991 992 993 994 995 996 997 998 999 99X 99E 9X0

9X1 9X2 9X3 9X4 9X5 9X6 9X7 9X8 9X9 9XX 9XE 9E0

9E1 9E2 9E3 9E4 9E5 9E6 9E7 9E8 9E9 9EX 9EE X00


X01 X02 X03 X04 X05 X06 X07 X08 X09 X0X X0E X10

X11 X12 X13 X14 X15 X16 X17 X18 X19 X1X X1E X20

X21 X22 X23 X24 X25 X26 X27 X28 X29 X2X X2E X30

X31 X32 X33 X34 X35 X36 X37 X38 X39 X3X X3E X40

X41 X42 X43 X44 X45 X46 X47 X48 X49 X4X X4E X50

X51 X52 X53 X54 X55 X56 X57 X58 X59 X5X X5E X60

X61 X62 X63 X64 X65 X66 X67 X68 X69 X6X X6E X70

X71 X72 X73 X74 X75 X76 X77 X78 X79 X7X X7E X80

X81 X82 X83 X84 X85 X86 X87 X88 X89 X8X X8E X90

X91 X92 X93 X94 X95 X96 X97 X98 X99 X9X X9E XX0

XX1 XX2 XX3 XX4 XX5 XX6 XX7 XX8 XX9 XXX XXE XE0

XE1 XE2 XE3 XE4 XE5 XE6 XE7 XE8 XE9 XEX XEE E00


E01 E02 E03 E04 E05 E06 E07 E08 E09 E0X E0E E10

E11 E12 E13 E14 E15 E16 E17 E18 E19 E1X E1E E20

E21 E22 E23 E24 E25 E26 E27 E28 E29 E2X E2E E30

E31 E32 E33 E34 E35 E36 E37 E38 E39 E3X E3E E40

E41 E42 E43 E44 E45 E46 E47 E48 E49 E4X E4E E50

E51 E52 E53 E54 E55 E56 E57 E58 E59 E5X E5E E60

E61 E62 E63 E64 E65 E66 E67 E68 E69 E6X E6E E70

E71 E72 E73 E74 E75 E76 E77 E78 E79 E7X E7E E80

E81 E82 E83 E84 E85 E86 E87 E88 E89 E8X E8E E90

E91 E92 E93 E94 E95 E96 E97 E98 E99 E9X E9E EX0

EX1 EX2 EX3 EX4 EX5 EX6 EX7 EX8 EX9 EXX EXE EE0

EE1 EE2 EE3 EE4 EE5 EE6 EE7 EE8 EE9 EEX EEE 1000


Numbers k such that all of 10k+1, 10k+5, 10k+7 and 10k+E are primes are

1, 3, 8, 32, 5E, 61, 90, 11X, 200, 274, 468, 607, 804, 936, E2X, ...

Numbers k such that none of 10k+1, 10k+5, 10k+7 and 10k+E are primes are

38, 5X, 60, 62, 89, 93, 94, E0, E5, E8, 103, 10X, 117, 122, 132, 141, 14X, 153, 155, 177, 185, 188, 190, 196, 19X, 1X9, 1E9, 220, 223, 225, 22X, 235, 237, 240, 249, 24E, 251, 25E, 269, 270, 275, 280, 288, 291, 297, 298, 2E2, 2E7, 305, 312, 313, 321, 325, 326, 32X, 32E, 339, 340, 350, 353, 355, 357, 359, 36E, 386, 388, 38X, 391, 392, 3X0, 3X8, 3XX, 3E3, 401, 40E, 412, 419, 425, 427, 431, 433, 43X, 44X, 452, 456, 458, 45E, 460, 462, 469, 474, 475, 47X, 485, 487, 48E, 493, 49E, 4X4, 4X8, 4XX, 4XE, 4E4, 510, 517, 51X, 524, 530, 544, 549, 557, 564, 565, 567, 588, 594, 597, 599, 5X3, 5E0, 5EX, 603, 606, 608, 612, 615, 621, 623, 627, 630, 631, 63X, 645, 647, 651, 654, 658, 65E, 674, 676, 681, 683, 687, 68X, 690, 697, 698, 6X3, 6X5, 6E3, 6E5, 6E6, 6EE, 702, 706, 707, 719, 71X, 738, 740, 746, 748, 754, 755, 759, 762, 765, 769, 76X, 772, 777, 778, 782, 788, 78X, 793, 799, 79E, 7XX, 7E7, 7EE, 803, 805, 80X, 810, 811, 814, 81X, 820, 821, 824, 826, 828, 830, 831, 834, 836, 838, 84X, 852, 855, 858, 861, 868, 876, 881, 882, 885, 88E, 897, 8X6, 8E6, 8EX, 903, 90E, 910, 911, 91E, 920, 922, 927, 932, 933, 935, 942, 943, 946, 949, 951, 954, 95X, 964, 967, 972, 980, 981, 985, 987, 990, 995, 998, 9X6, 9XE, 9E9, 9EE, X02, X07, X18, X1E, X25, X26, X2X, X38, X41, X47, X50, X52, X61, X78, X83, X86, X8E, X92, X94, X96, XX7, XX8, XXX, XE1, XE5, XE8, XEX, E04, E07, E08, E11, E13, E22, E24, E25, E29, E36, E40, E43, E44, E45, E47, E53, E58, E60, E62, E75, E82, E90, E96, E99, EX0, EX1, EX3, EXX, EXE, EE6, ...

In the following table, numbers shaded in black are units (0-almost primes), numbers shaded in cyan are primes (1-almost primes), numbers shaded in magenta are semiprimes (2-almost primes), numbers shaded in yellow are 3-almost primes, numbers shaded in blue are 4-almost primes, numbers shaded in green are 5-almost primes, and numbers shaded in red are 6-almost primes.

1 2 3 4 5 6 7 8 9 X E 10
11 12 13 14 15 16 17 18 19 1X 1E 20
21 22 23 24 25 26 27 28 29 2X 2E 30
31 32 33 34 35 36 37 38 39 3X 3E 40
41 42 43 44 45 46 47 48 49 4X 4E 50
51 52 53 54 55 56 57 58 59 5X 5E 60
61 62 63 64 65 66 67 68 69 6X 6E 70
71 72 73 74 75 76 77 78 79 7X 7E 80
81 82 83 84 85 86 87 88 89 8X 8E 90
91 92 93 94 95 96 97 98 99 9X 9E X0
X1 X2 X3 X4 X5 X6 X7 X8 X9 XX XE E0
E1 E2 E3 E4 E5 E6 E7 E8 E9 EX EE 100
101 102 103 104 105 106 107 108 109 10X 10E 110
111 112 113 114 115 116 117 118 119 11X 11E 120
121 122 123 124 125 126 127 128 129 12X 12E 130
131 132 133 134 135 136 137 138 139 13X 13E 140
141 142 143 144 145 146 147 148 149 14X 14E 150
151 152 153 154 155 156 157 158 159 15X 15E 160
161 162 163 164 165 166 167 168 169 16X 16E 170
171 172 173 174 175 176 177 178 179 17X 17E 180
181 182 183 184 185 186 187 188 189 18X 18E 190
191 192 193 194 195 196 197 198 199 19X 19E 1X0
1X1 1X2 1X3 1X4 1X5 1X6 1X7 1X8 1X9 1XX 1XE 1E0
1E1 1E2 1E3 1E4 1E5 1E6 1E7 1E8 1E9 1EX 1EE 200
201 202 203 204 205 206 207 208 209 20X 20E 210
211 212 213 214 215 216 217 218 219 21X 21E 220
221 222 223 224 225 226 227 228 229 22X 22E 230
231 232 233 234 235 236 237 238 239 23X 23E 240
241 242 243 244 245 246 247 248 249 24X 24E 250
251 252 253 254 255 256 257 258 259 25X 25E 260
261 262 263 264 265 266 267 268 269 26X 26E 270
271 272 273 274 275 276 277 278 279 27X 27E 280
281 282 283 284 285 286 287 288 289 28X 28E 290
291 292 293 294 295 296 297 298 299 29X 29E 2X0
2X1 2X2 2X3 2X4 2X5 2X6 2X7 2X8 2X9 2XX 2XE 2E0
2E1 2E2 2E3 2E4 2E5 2E6 2E7 2E8 2E9 2EX 2EE 300
301 302 303 304 305 306 307 308 309 30X 30E 310
311 312 313 314 315 316 317 318 319 31X 31E 320
321 322 323 324 325 326 327 328 329 32X 32E 330
331 332 333 334 335 336 337 338 339 33X 33E 340
341 342 343 344 345 346 347 348 349 34X 34E 350
351 352 353 354 355 356 357 358 359 35X 35E 360
361 362 363 364 365 366 367 368 369 36X 36E 370
371 372 373 374 375 376 377 378 379 37X 37E 380
381 382 383 384 385 386 387 388 389 38X 38E 390
391 392 393 394 395 396 397 398 399 39X 39E 3X0
3X1 3X2 3X3 3X4 3X5 3X6 3X7 3X8 3X9 3XX 3XE 3E0
3E1 3E2 3E3 3E4 3E5 3E6 3E7 3E8 3E9 3EX 3EE 400
401 402 403 404 405 406 407 408 409 40X 40E 410
411 412 413 414 415 416 417 418 419 41X 41E 420
421 422 423 424 425 426 427 428 429 42X 42E 430
431 432 433 434 435 436 437 438 439 43X 43E 440
441 442 443 444 445 446 447 448 449 44X 44E 450
451 452 453 454 455 456 457 458 459 45X 45E 460
461 462 463 464 465 466 467 468 469 46X 46E 470
471 472 473 474 475 476 477 478 479 47X 47E 480
481 482 483 484 485 486 487 488 489 48X 48E 490
491 492 493 494 495 496 497 498 499 49X 49E 4X0
4X1 4X2 4X3 4X4 4X5 4X6 4X7 4X8 4X9 4XX 4XE 4E0
4E1 4E2 4E3 4E4 4E5 4E6 4E7 4E8 4E9 4EX 4EE 500
501 502 503 504 505 506 507 508 509 50X 50E 510
511 512 513 514 515 516 517 518 519 51X 51E 520
521 522 523 524 525 526 527 528 529 52X 52E 530
531 532 533 534 535 536 537 538 539 53X 53E 540
541 542 543 544 545 546 547 548 549 54X 54E 550
551 552 553 554 555 556 557 558 559 55X 55E 560
561 562 563 564 565 566 567 568 569 56X 56E 570
571 572 573 574 575 576 577 578 579 57X 57E 580
581 582 583 584 585 586 587 588 589 58X 58E 590
591 592 593 594 595 596 597 598 599 59X 59E 5X0
5X1 5X2 5X3 5X4 5X5 5X6 5X7 5X8 5X9 5XX 5XE 5E0
5E1 5E2 5E3 5E4 5E5 5E6 5E7 5E8 5E9 5EX 5EE 600
601 602 603 604 605 606 607 608 609 60X 60E 610
611 612 613 614 615 616 617 618 619 61X 61E 620
621 622 623 624 625 626 627 628 629 62X 62E 630
631 632 633 634 635 636 637 638 639 63X 63E 640
641 642 643 644 645 646 647 648 649 64X 64E 650
651 652 653 654 655 656 657 658 659 65X 65E 660
661 662 663 664 665 666 667 668 669 66X 66E 670
671 672 673 674 675 676 677 678 679 67X 67E 680
681 682 683 684 685 686 687 688 689 68X 68E 690
691 692 693 694 695 696 697 698 699 69X 69E 6X0
6X1 6X2 6X3 6X4 6X5 6X6 6X7 6X8 6X9 6XX 6XE 6E0
6E1 6E2 6E3 6E4 6E5 6E6 6E7 6E8 6E9 6EX 6EE 700
701 702 703 704 705 706 707 708 709 70X 70E 710
711 712 713 714 715 716 717 718 719 71X 71E 720
721 722 723 724 725 726 727 728 729 72X 72E 730
731 732 733 734 735 736 737 738 739 73X 73E 740
741 742 743 744 745 746 747 748 749 74X 74E 750
751 752 753 754 755 756 757 758 759 75X 75E 760
761 762 763 764 765 766 767 768 769 76X 76E 770
771 772 773 774 775 776 777 778 779 77X 77E 780
781 782 783 784 785 786 787 788 789 78X 78E 790
791 792 793 794 795 796 797 798 799 79X 79E 7X0
7X1 7X2 7X3 7X4 7X5 7X6 7X7 7X8 7X9 7XX 7XE 7E0
7E1 7E2 7E3 7E4 7E5 7E6 7E7 7E8 7E9 7EX 7EE 800
801 802 803 804 805 806 807 808 809 80X 80E 810
811 812 813 814 815 816 817 818 819 81X 81E 820
821 822 823 824 825 826 827 828 829 82X 82E 830
831 832 833 834 835 836 837 838 839 83X 83E 840
841 842 843 844 845 846 847 848 849 84X 84E 850
851 852 853 854 855 856 857 858 859 85X 85E 860
861 862 863 864 865 866 867 868 869 86X 86E 870
871 872 873 874 875 876 877 878 879 87X 87E 880
881 882 883 884 885 886 887 888 889 88X 88E 890
891 892 893 894 895 896 897 898 899 89X 89E 8X0
8X1 8X2 8X3 8X4 8X5 8X6 8X7 8X8 8X9 8XX 8XE 8E0
8E1 8E2 8E3 8E4 8E5 8E6 8E7 8E8 8E9 8EX 8EE 900
901 902 903 904 905 906 907 908 909 90X 90E 910
911 912 913 914 915 916 917 918 919 91X 91E 920
921 922 923 924 925 926 927 928 929 92X 92E 930
931 932 933 934 935 936 937 938 939 93X 93E 940
941 942 943 944 945 946 947 948 949 94X 94E 950
951 952 953 954 955 956 957 958 959 95X 95E 960
961 962 963 964 965 966 967 968 969 96X 96E 970
971 972 973 974 975 976 977 978 979 97X 97E 980
981 982 983 984 985 986 987 988 989 98X 98E 990
991 992 993 994 995 996 997 998 999 99X 99E 9X0
9X1 9X2 9X3 9X4 9X5 9X6 9X7 9X8 9X9 9XX 9XE 9E0
9E1 9E2 9E3 9E4 9E5 9E6 9E7 9E8 9E9 9EX 9EE X00
X01 X02 X03 X04 X05 X06 X07 X08 X09 X0X X0E X10
X11 X12 X13 X14 X15 X16 X17 X18 X19 X1X X1E X20
X21 X22 X23 X24 X25 X26 X27 X28 X29 X2X X2E X30
X31 X32 X33 X34 X35 X36 X37 X38 X39 X3X X3E X40
X41 X42 X43 X44 X45 X46 X47 X48 X49 X4X X4E X50
X51 X52 X53 X54 X55 X56 X57 X58 X59 X5X X5E X60
X61 X62 X63 X64 X65 X66 X67 X68 X69 X6X X6E X70
X71 X72 X73 X74 X75 X76 X77 X78 X79 X7X X7E X80
X81 X82 X83 X84 X85 X86 X87 X88 X89 X8X X8E X90
X91 X92 X93 X94 X95 X96 X97 X98 X99 X9X X9E XX0
XX1 XX2 XX3 XX4 XX5 XX6 XX7 XX8 XX9 XXX XXE XE0
XE1 XE2 XE3 XE4 XE5 XE6 XE7 XE8 XE9 XEX XEE E00
E01 E02 E03 E04 E05 E06 E07 E08 E09 E0X E0E E10
E11 E12 E13 E14 E15 E16 E17 E18 E19 E1X E1E E20
E21 E22 E23 E24 E25 E26 E27 E28 E29 E2X E2E E30
E31 E32 E33 E34 E35 E36 E37 E38 E39 E3X E3E E40
E41 E42 E43 E44 E45 E46 E47 E48 E49 E4X E4E E50
E51 E52 E53 E54 E55 E56 E57 E58 E59 E5X E5E E60
E61 E62 E63 E64 E65 E66 E67 E68 E69 E6X E6E E70
E71 E72 E73 E74 E75 E76 E77 E78 E79 E7X E7E E80
E81 E82 E83 E84 E85 E86 E87 E88 E89 E8X E8E E90
E91 E92 E93 E94 E95 E96 E97 E98 E99 E9X E9E EX0
EX1 EX2 EX3 EX4 EX5 EX6 EX7 EX8 EX9 EXX EXE EE0
EE1 EE2 EE3 EE4 EE5 EE6 EE7 EE8 EE9 EEX EEE 1000

The twin prime pairs below 100 are (3, 5), (5, 7), (E, 11), (15, 17), (25, 27), (35, 37), (4E, 51), (5E, 61), (85, 87), (8E, 91), (E5, E7), and there are only 47 twin prime pairs below 1000. Except (3, 5), all twin prime pairs end with (5, 7) or (E, 1), and it is conjectured that the density of them are the same.

Primes sorted by the last digit Edit

Gaussian primes are primes in the ring

$ Z[i]=Z[\zeta_4] $ , Eisenstein primes are primes in the ring

$ Z[\omega]=Z[\zeta_3]=Z[-\frac{1}{2}+\frac{\sqrt{3}}{2}i] $ .

  • The primes end with 1 are neither Gaussian primes nor Eisenstein primes.
  • The primes end with 5 (also the prime 2) are Eisenstein primes, but not Gaussian primes.
  • The primes end with 7 (also the prime 3) are Gaussian primes, but not Eisenstein primes.
  • The primes end with E are both Gaussian primes and Eisenstein primes.

The primes end with 1, 5, 7 and E are called 1-primes, 5-primes, 7-primes and E-primes, respectively.

1-primes: 11, 31, 51, 61, 81, 91, 111, 131, 141, 171, 181, 1E1, 221, 241, 251, 271, 291, 2X1, 2E1, 301, 321, 391, 401, 421, 431, 471, 481, 4E1, 511, 531, 541, 591, 5E1, 611, 661, 6E1, 701, 711, 721, 751, 771, 791, 7X1, 801, 841, 851, 871, 881, 901, 921, 971, 9E1, X11, X41, X91, E11, E21, E31, E61, E71, E91, 1011, 1021, 1041, 1051, 1061, 10E1, 1101, 1151, 11X1, 1201, 1211, 1231, 1261, 1281, 12X1, 1301, 1351, 1391, 13X1, 13E1, 1431, 1461, 1471, 14E1, 1521, 1561, 1591, 1601, 1621, 1671, 1681, 16X1, 1711, 1751, 1781, 17X1, 1831, 1861, 18X1, 1911, 1921, 1931, 1971, 1981, 1X01, 1X11, 1X41, 1X51, 1X71, 1XE1, 1E01, 1E41, 1E51, 1EX1, 2001, 2011, 2051, 2061, 2071, 2111, 2131, 2161, 2181, 2191, 21E1, 2221, 2241, 2291, 22E1, 2301, 23E1, 2421, 2451, 2481, 24X1, 2501, 2521, 2571, 2581, 25X1, 2631, 26X1, 2741, 2771, 2781, 27E1, 2811, 2841, 28X1, 2931, 2941, 2951, 2991, 2X11, 2X31, 2X51, 2X61, 2X81, 2E31, 2E51, 2E61, 3011, 3021, 3041, 3081, 3171, 3191, 31X1, 3241, 3271, 3281, 3291, 3321, 3331, 3361, 3371, 33X1, 33E1, 3451, 3481, 3491, 34X1, 3541, 35E1, 3621, 3661, 3671, 3721, 3731, 3771, 3791, 3801, 3821, 3831, 3851, 3871, 38E1, 3901, 3941, 3961, 3981, 3X11, 3X31, 3X41, 3X71, 3X91, 3E11, 3E21, 3E51, 3E61, 4031, 4041, 4071, 4101, 4111, 4161, 41X1, 4211, 4231, 4281, 4291, 42X1, 42E1, 4321, 4341, 4361, 43E1, 4401, 4441, 4451, 4461, 4471, 44E1, 4531, 4541, 4571, 4591, 45X1, 4611, 4681, 4711, 4761, 4781, 47E1, 4821, 4831, 4881, 4901, 4911, 4921, 4951, 4971, 4991, 49X1, 4X01, 4X21, 4X31, 4X91, 4E21, 4E71, 4EE1, 5001, 5031, 5041, 5061, 5081, 50X1, 5131, 5191, 5201, 5211, 5261, 5271, 52X1, 5331, 5351, 5371, 5391, 5421, 5451, 54X1, 54E1, 5531, 5551, 5561, 5681, 5691, 5701, 5711, 5741, 5761, 5771, 57X1, 57E1, 5821, 5831, 5891, 5911, 5931, 5961, 59E1, 5X11, 5X51, 5X81, 5E41, 5E81, 5E91, 5EE1, 6001, 6051, 6071, 6091, 60E1, 6101, 6171, 6201, 6261, 6281, 62E1, 6331, 6351, 6391, 6411, 6441, 6521, 6551, 6561, 6571, 6591, 6621, 6671, 6681, 66X1, 6751, 67X1, 6861, 6881, 6911, 6921, 6931, 6X11, 6X21, 6XE1, 6E01, 6E71, 6E81, 6EX1, 7001, 7011, 7051, 7101, 7111, 7131, 7141, 7151, 71E1, 7221, 7231, 7241, 7261, 72E1, 7311, 7321, 7341, 7351, 7361, 7371, 7391, 7421, 7441, 7471, 7491, 7511, 7521, 7531, 7561, 7611, 7641, 7661, 76E1, 7761, 7801, 7841, 7851, 78E1, 7921, 7941, 7971, 79X1, 7X01, 7X51, 7X81, 7XE1, 7E01, 7E11, 7E41, 7E91, 8041, 8081, 8091, 8151, 8231, 8251, 8271, 8291, 8321, 8331, 8371, 83E1, 8401, 8431, 8441, 8451, 84E1, 8511, 8541, 8571, 8591, 8621, 8641, 8691, 86E1, 8731, 8781, 8831, 8871, 8881, 8901, 8961, 8981, 89X1, 8X11, 8X21, 8X41, 8X71, 8X81, 8X91, 8E71, 8EE1, 9041, 9081, 9091, 9131, 91X1, 9231, 9241, 9251, 9261, 9281, 92E1, 9341, 9361, 9371, 9411, 9451, 94X1, 9501, 9551, 9581, 9591, 9601, 9631, 9651, 9701, 9711, 9761, 9781, 97E1, 9821, 9831, 9961, 99E1, 9X01, 9X31, 9X41, 9X51, 9X71, 9E01, 9E61, 9EX1, X011, X031, X051, X081, X091, X0X1, X121, X161, X171, X201, X211, X301, X321, X331, X341, X421, X461, X4X1, X4E1, X511, X541, X551, X581, X5X1, X5E1, X621, X631, X661, X671, X691, X701, X711, X721, X791, X801, X821, X841, X851, X871, X891, X8X1, X951, X971, XX31, XX61, XE41, XE91, E001, E051, E061, E0E1, E151, E171, E181, E1X1, E211, E231, E271, E2X1, E2E1, E301, E331, E341, E351, E411, E421, E481, E4E1, E521, E541, E561, E571, E5E1, E6X1, E711, E761, E771, E781, E7E1, E801, E811, E861, E891, E931, E941, E971, EX51, EX61, EX71, EE01, EE41, ...

5-primes: 5, 15, 25, 35, 45, 75, 85, 95, E5, 105, 125, 145, 175, 195, 1X5, 1E5, 205, 225, 255, 285, 295, 315, 325, 365, 375, 3X5, 3E5, 415, 435, 455, 465, 485, 4X5, 535, 545, 565, 575, 585, 5E5, 615, 655, 665, 675, 695, 705, 735, 745, 775, 785, 825, 835, 855, 865, 8X5, 8E5, 905, 955, 965, 995, 9E5, X35, X45, X95, E15, E25, E45, E95, EX5, EE5, 1005, 1105, 1115, 1125, 1135, 1165, 1185, 11X5, 1245, 1255, 1295, 12X5, 12E5, 1345, 1365, 1395, 13E5, 1405, 1425, 1445, 1465, 1475, 1495, 14E5, 1525, 1585, 1615, 1625, 1635, 1655, 1685, 16E5, 1705, 1715, 1735, 1745, 1755, 1785, 17X5, 1815, 1825, 1865, 1875, 1915, 1955, 1995, 1X35, 1X45, 1X75, 1E15, 1E65, 1E85, 1EE5, 2005, 2065, 2085, 20X5, 20E5, 2115, 2165, 2185, 2215, 2245, 2265, 2275, 22E5, 2325, 2335, 2385, 2395, 23X5, 2415, 2435, 2485, 24X5, 2535, 2545, 2555, 2565, 2595, 2615, 2625, 2645, 2665, 2675, 2685, 26E5, 2715, 2725, 2745, 2825, 2835, 2855, 2895, 28X5, 2935, 2955, 29X5, 29E5, 2X35, 2X65, 2X95, 2XX5, 2E35, 2E95, 3005, 3045, 3065, 3075, 3095, 30X5, 3105, 3145, 3155, 3175, 3195, 3205, 3225, 3285, 3335, 3345, 3365, 3385, 33X5, 3435, 3445, 3475, 3485, 34E5, 3565, 35X5, 3605, 3635, 3645, 3655, 36X5, 3705, 3725, 3755, 3765, 37X5, 37E5, 3815, 3845, 3895, 38E5, 3935, 3975, 3985, 3X25, 3X55, 3X65, 3X95, 3XE5, 3E55, 3E75, 3E85, 4005, 4055, 4075, 4085, 4145, 4155, 41E5, 4225, 4245, 4305, 4375, 4395, 43E5, 4425, 4435, 4445, 4475, 4485, 4515, 4535, 45X5, 4615, 4635, 4645, 4655, 4665, 4685, 46X5, 4715, 4725, 4775, 4805, 4815, 4825, 4845, 4925, 4955, 4975, 4X15, 4X65, 4E05, 4E15, 4E35, 4E65, 4E85, 4E95, 5025, 5035, 5045, 5085, 5095, 5145, 5155, 5165, 5205, 5235, 5285, 5295, 5355, 5375, 5385, 53E5, 5405, 5435, 5455, 5465, 54X5, 5515, 5545, 5565, 5585, 5595, 55E5, 5615, 5625, 56X5, 5725, 5735, 5785, 5835, 5855, 58E5, 5905, 5985, 59X5, 5X45, 5X75, 5X85, 5X95, 5E25, 5E55, 5E65, 5E75, 5E95, 6055, 6075, 6115, 6165, 6175, 6185, 6245, 6265, 62X5, 6345, 6375, 63E5, 6405, 6425, 6495, 64X5, 6505, 6525, 6575, 65X5, 6625, 6635, 6675, 66E5, 6715, 6795, 6825, 6865, 6885, 6895, 68E5, 6915, 6945, 6995, 69X5, 69E5, 6X05, 6X75, 6X85, 6XX5, 6E15, 6E25, 6E75, 7005, 7015, 7045, 7055, 7085, 7125, 7135, 7175, 71E5, 7215, 7225, 7245, 7275, 7295, 7335, 7395, 73X5, 7415, 7435, 74E5, 7505, 7565, 7585, 75X5, 75E5, 7635, 7665, 7675, 7705, 7715, 7795, 77X5, 77E5, 7855, 7875, 7905, 7925, 7955, 7965, 7X15, 7X35, 7X65, 7X95, 7E15, 7E25, 7E35, 7E65, 7E85, 8005, 8015, 8045, 8065, 8075, 8125, 8135, 8155, 8175, 8195, 8235, 8255, 82E5, 8355, 8395, 8475, 84E5, 8505, 8515, 8565, 8575, 8595, 85X5, 8625, 8645, 8655, 86X5, 8755, 87X5, 87E5, 8835, 8865, 8885, 88X5, 8915, 8925, 8935, 8945, 8995, 8X05, 8X55, 8X95, 8XE5, 8E05, 8E45, 8E55, 8E75, 9015, 9025, 9065, 9075, 9135, 9145, 9155, 9165, 9185, 9195, 9235, 9315, 9365, 9375, 9395, 9455, 9475, 9485, 94X5, 9525, 9565, 9575, 9605, 9615, 9655, 9665, 9695, 96E5, 9775, 9785, 9795, 98X5, 9935, 9945, 9975, 9X25, 9X35, 9X85, 9XX5, 9E45, X035, X045, X095, X0E5, X145, X155, X205, X225, X235, X275, X285, X295, X315, X365, X3X5, X445, X455, X485, X4X5, X535, X565, X575, X605, X675, X695, X6X5, X735, X745, X755, X795, X7X5, X825, X875, X915, X935, X9X5, X9E5, XX25, XX45, XX65, XE05, XE45, XEE5, E005, E025, E055, E095, E105, E125, E1E5, E205, E265, E2X5, E2E5, E315, E325, E385, E395, E3E5, E465, E495, E4X5, E555, E595, E5X5, E615, E635, E655, E665, E675, E685, E6X5, E705, E785, E795, E815, E835, E875, E885, E8E5, E925, E945, E955, E975, E9E5, EX25, EX85, EE75, EE85, EEX5, ...

7-primes: 7, 17, 27, 37, 57, 67, 87, X7, E7, 107, 117, 147, 157, 167, 1X7, 1E7, 217, 237, 267, 277, 307, 327, 347, 357, 377, 397, 3E7, 427, 437, 447, 457, 497, 507, 517, 527, 557, 577, 587, 5E7, 617, 637, 647, 687, 6X7, 727, 737, 747, 767, 797, 817, 867, 8X7, 8E7, 907, 927, 987, 9X7, X07, X17, X27, X37, X77, X87, XX7, XE7, E37, E67, E97, EE7, 1017, 1027, 1047, 1087, 10E7, 1107, 1167, 1197, 11X7, 11E7, 1257, 1297, 12X7, 1317, 1337, 1367, 1377, 13X7, 1407, 1437, 1457, 1467, 1517, 1547, 1577, 1587, 1647, 1657, 1667, 1677, 1697, 16X7, 16E7, 1727, 1747, 1757, 1797, 1807, 1877, 18E7, 1937, 1947, 19E7, 1X17, 1X77, 1X87, 1XE7, 1E07, 1E17, 1E27, 1E67, 2007, 2037, 2047, 2077, 2087, 2097, 20X7, 2107, 2127, 2137, 2177, 21X7, 21E7, 2267, 2287, 2317, 2327, 2337, 2347, 2367, 2397, 23E7, 2417, 2457, 2467, 24X7, 2537, 2547, 2557, 2607, 2617, 2637, 2687, 26X7, 2717, 2737, 2747, 2787, 27X7, 27E7, 2827, 2837, 2847, 2897, 2907, 2927, 2967, 2X07, 2X47, 2X77, 2X87, 2X97, 2XX7, 2E17, 2E57, 2E67, 2EX7, 2EE7, 3037, 30E7, 3117, 3167, 3177, 3187, 3197, 3207, 3227, 3247, 3277, 3307, 3327, 3337, 3357, 33X7, 3417, 3427, 3457, 3467, 3477, 3517, 3587, 35E7, 3617, 3627, 3637, 3687, 3697, 3707, 3717, 3747, 3767, 3807, 3827, 3837, 3877, 3897, 3957, 3977, 39X7, 39E7, 3X47, 3X57, 3X67, 3XE7, 3E47, 3E87, 3E97, 3EE7, 4047, 4067, 4097, 40X7, 4187, 4207, 4217, 4237, 4307, 4357, 4397, 4417, 4487, 4497, 4507, 4547, 4557, 4577, 45X7, 4677, 4687, 4707, 4727, 4737, 4777, 47E7, 4887, 4897, 48X7, 4947, 4967, 4987, 4X57, 4X67, 4X77, 4X97, 4E27, 4E37, 4E57, 4E87, 4EX7, 5007, 5057, 5067, 5077, 50E7, 5117, 5147, 5167, 5187, 51E7, 5237, 5267, 5297, 52E7, 5317, 5327, 5347, 5367, 5397, 53X7, 5457, 5487, 54X7, 5527, 5537, 5567, 5587, 5607, 5637, 5697, 56X7, 56E7, 5727, 5777, 57E7, 5817, 5857, 5867, 5877, 5897, 58E7, 5927, 5987, 5X17, 5X27, 5X67, 5E17, 5E37, 5E67, 6027, 6077, 6117, 6147, 6197, 61X7, 61E7, 6207, 6227, 6247, 6257, 6297, 6327, 6357, 6377, 6387, 63E7, 6437, 6487, 6497, 64X7, 64E7, 6527, 6537, 6607, 6617, 6647, 6657, 6667, 6707, 6757, 6777, 6797, 67X7, 6807, 6827, 6857, 6947, 6957, 6967, 6997, 6X17, 6X27, 6X47, 6X67, 6X97, 6E07, 6E17, 6E47, 6E77, 7057, 7097, 7187, 71E7, 7207, 7257, 7287, 72X7, 7317, 7347, 7377, 7427, 7457, 7477, 74X7, 7507, 7577, 7587, 7607, 7617, 7637, 7687, 76E7, 7737, 7747, 7757, 7767, 7797, 7817, 7837, 7867, 7877, 7907, 7917, 7X27, 7X47, 7X77, 7E07, 7E27, 7E37, 7E67, 7EX7, 8007, 8047, 8067, 80E7, 8127, 8137, 8187, 8197, 81E7, 8227, 82E7, 8357, 8377, 8407, 8417, 8427, 8467, 8487, 8507, 8517, 85E7, 8637, 8667, 8677, 86E7, 8717, 8747, 8777, 8797, 8807, 8847, 8897, 8917, 8957, 8967, 89E7, 8X07, 8X37, 8X47, 8X57, 8XX7, 8E17, 8E27, 8E37, 8E87, 9007, 9027, 9047, 9057, 9077, 9097, 90X7, 9127, 9137, 9177, 91X7, 9217, 9257, 9267, 9307, 9367, 9387, 93X7, 9447, 9487, 94E7, 9557, 9577, 95E7, 9627, 9687, 9707, 9737, 9777, 97E7, 9837, 9847, 98X7, 98E7, 9927, 9947, 9967, 9997, 99E7, 9X17, 9X47, 9X97, 9E27, 9E47, 9E57, 9E87, X017, X067, X087, X0E7, X107, X117, X137, X157, X197, X1X7, X227, X247, X277, X297, X2E7, X367, X397, X3X7, X3E7, X407, X447, X457, X487, X497, X537, X5X7, X647, X657, X667, X717, X767, X777, X7E7, X807, X817, X877, X907, X987, X997, XX57, XXE7, XE47, XE97, E037, E067, E127, E147, E157, E167, E197, E277, E2X7, E307, E327, E337, E357, E377, E387, E417, E487, E497, E527, E577, E597, E5E7, E617, E647, E677, E6E7, E707, E727, E747, E777, E7X7, E8X7, E917, E937, E947, E987, E9X7, E9E7, EX27, EX87, EX97, EE07, EE17, EE97, EEX7, EEE7, ...

E-primes: E, 1E, 3E, 4E, 5E, 6E, 8E, XE, 11E, 12E, 13E, 16E, 17E, 18E, 19E, 21E, 24E, 25E, 27E, 2XE, 2EE, 30E, 32E, 33E, 34E, 35E, 3XE, 40E, 41E, 45E, 46E, 48E, 4EE, 51E, 58E, 59E, 5EE, 61E, 63E, 66E, 68E, 69E, 70E, 71E, 76E, 77E, 7EE, 80E, 82E, 85E, 88E, 8XE, 90E, 91E, 95E, 9XE, 9EE, X0E, X3E, X4E, X5E, X6E, X9E, XXE, XEE, E1E, E2E, E6E, 104E, 106E, 107E, 109E, 10EE, 112E, 114E, 118E, 11XE, 120E, 121E, 123E, 125E, 126E, 127E, 133E, 136E, 138E, 142E, 143E, 147E, 148E, 149E, 14EE, 150E, 156E, 157E, 15XE, 15EE, 165E, 167E, 168E, 169E, 176E, 178E, 17EE, 181E, 183E, 184E, 186E, 189E, 18XE, 18EE, 194E, 197E, 19EE, 1X1E, 1X2E, 1X6E, 1XXE, 1E0E, 1E2E, 1E3E, 1E4E, 1E7E, 200E, 202E, 205E, 206E, 211E, 214E, 215E, 219E, 221E, 222E, 224E, 228E, 229E, 231E, 232E, 234E, 239E, 23XE, 243E, 244E, 247E, 248E, 252E, 256E, 257E, 258E, 265E, 26XE, 26EE, 274E, 276E, 279E, 282E, 285E, 286E, 287E, 28EE, 292E, 293E, 299E, 2X1E, 2X2E, 2X3E, 2X5E, 2X8E, 2XEE, 2E0E, 2E3E, 2E4E, 2E8E, 2EXE, 303E, 307E, 309E, 311E, 314E, 315E, 31EE, 320E, 322E, 323E, 324E, 329E, 331E, 332E, 337E, 341E, 343E, 346E, 348E, 349E, 34EE, 351E, 352E, 356E, 358E, 35EE, 366E, 367E, 370E, 375E, 377E, 378E, 379E, 37XE, 381E, 390E, 395E, 396E, 399E, 3X2E, 3X7E, 3E0E, 3E1E, 3E2E, 3E4E, 3E7E, 3EXE, 3EEE, 402E, 403E, 404E, 405E, 408E, 40XE, 411E, 413E, 415E, 417E, 41XE, 420E, 423E, 426E, 428E, 42XE, 438E, 43EE, 440E, 442E, 444E, 445E, 447E, 449E, 450E, 454E, 455E, 457E, 463E, 468E, 46XE, 46EE, 479E, 481E, 483E, 484E, 486E, 488E, 490E, 491E, 492E, 496E, 4X0E, 4X2E, 4X5E, 4X7E, 4E3E, 4EXE, 501E, 504E, 508E, 50EE, 511E, 512E, 513E, 516E, 521E, 522E, 525E, 526E, 52XE, 53XE, 540E, 541E, 547E, 548E, 550E, 554E, 555E, 558E, 559E, 55XE, 562E, 563E, 566E, 569E, 575E, 577E, 579E, 57EE, 580E, 583E, 584E, 587E, 58XE, 595E, 59XE, 59EE, 5X0E, 5X1E, 5X4E, 5X5E, 5X6E, 5XXE, 5XEE, 5E1E, 5E2E, 5E3E, 5E8E, 5E9E, 601E, 604E, 607E, 609E, 60XE, 613E, 617E, 619E, 620E, 622E, 626E, 62EE, 633E, 634E, 636E, 642E, 644E, 646E, 64EE, 655E, 656E, 660E, 663E, 669E, 671E, 672E, 673E, 675E, 677E, 678E, 67EE, 684E, 692E, 699E, 69EE, 6X1E, 6X4E, 6X7E, 6X9E, 6XXE, 6E2E, 6E4E, 6E9E, 700E, 701E, 703E, 708E, 70XE, 70EE, 710E, 711E, 716E, 718E, 727E, 728E, 729E, 72EE, 730E, 736E, 739E, 73XE, 73EE, 745E, 749E, 756E, 757E, 758E, 75EE, 761E, 763E, 766E, 76EE, 771E, 773E, 774E, 776E, 780E, 786E, 789E, 794E, 795E, 797E, 798E, 79XE, 7X6E, 7XEE, 7E0E, 7E5E, 7E6E, 7E9E, 802E, 804E, 806E, 808E, 80EE, 816E, 819E, 823E, 827E, 82XE, 833E, 835E, 83XE, 840E, 841E, 843E, 849E, 84EE, 853E, 856E, 857E, 860E, 862E, 864E, 865E, 866E, 867E, 86EE, 870E, 872E, 873E, 874E, 878E, 879E, 888E, 88XE, 890E, 898E, 89EE, 8X1E, 8X2E, 8X7E, 8X9E, 8E2E, 8E4E, 8E9E, 8EEE, 907E, 909E, 90XE, 912E, 915E, 917E, 918E, 923E, 926E, 929E, 92XE, 931E, 936E, 938E, 939E, 93EE, 940E, 944E, 947E, 953E, 960E, 962E, 965E, 96XE, 973E, 974E, 975E, 97XE, 97EE, 984E, 986E, 988E, 989E, 991E, 992E, 996E, 997E, 99XE, 9X2E, 9X8E, 9XXE, 9E1E, 9E3E, 9E5E, 9E7E, X00E, X03E, X05E, X08E, X13E, X14E, X17E, X20E, X24E, X32E, X35E, X37E, X42E, X43E, X46E, X4XE, X53E, X54E, X59E, X5XE, X5EE, X63E, X68E, X6EE, X71E, X76E, X80E, X85E, X88E, X90E, X97E, X9EE, XX0E, XX1E, XX6E, XX9E, XE2E, XE3E, XE6E, XE7E, E01E, E05E, E0XE, E10E, E14E, E18E, E21E, E26E, E27E, E28E, E2XE, E31E, E39E, E3XE, E3EE, E4EE, E50E, E51E, E52E, E63E, E68E, E69E, E72E, E73E, E78E, E7XE, E81E, E84E, E85E, E91E, E97E, E98E, EX2E, EX4E, EX7E, EE2E, EE3E, EE5E, ...

Prime k-tuple Edit

(p, p+2) (twin primes): (3, 5), (5, 7), (E, 11), (15, 17), (25, 27), (35, 37), (4E, 51), (5E, 61), (85, 87), (8E, 91), (E5, E7), (105, 107), (12E, 131), (13E, 141), (145, 147), (16E, 171), (17E, 181), (1X5, 1X7), (1E5, 1E7), (21E, 221), (24E, 251), (2XE, 2E1), (2EE, 301), (325, 327), (375, 377), (3E5, 3E7), (41E, 421), (435, 437), (455, 457), (46E, 471), (575, 577), (585, 587), (58E, 591), (5E5, 5E7), (615, 617), (70E, 711), (71E, 721), (735, 737), (745, 747), (76E, 771), (7EE, 801), (865, 867), (8X5, 8X7), (8E5, 8E7), (905, 907), (91E, 921), (9XE, 9E1), (X0E, X11), (X35, X37), (X3E, X41), (E1E, E21), (E2E, E31), (E6E, E71), (E95, E97), (EE5, EE7), (104E, 1051), (10EE, 1101), (1105, 1107), (114E, 1151), (1165, 1167), (11X5, 11X7), (120E, 1211), (1255, 1257), (125E, 1261), (127E, 1281), (1295, 1297), (12X5, 12X7), (1365, 1367), (138E, 1391), (1405, 1407), (142E, 1431), (1465, 1467), (1585, 1587), (15EE, 1601), (1655, 1657), (167E, 1681), (169E, 16X1), (16E5, 16E7), (1745, 1747), (1755, 1757), (1875, 1877), (189E, 18X1), (197E, 1981), (19EE, 1X01), (1X6E, 1X71), (1X75, 1X77), (1XXE, 1XE1), (1E15, 1E17), (1E3E, 1E41), (1E4E, 1E51), (1E65, 1E67), (2005, 2007), (200E, 2011), (205E, 2061), (206E, 2071), (2085, 2087), (20X5, 20X7), (215E, 2161), (221E, 2221), (2265, 2267), (228E, 2291), (2325, 2327), (2335, 2337), (2395, 2397), (23XE, 23E1), (2415, 2417), (244E, 2451), (247E, 2481), (24X5, 24X7), (2535, 2537), (2545, 2547), (2555, 2557), (256E, 2571), (257E, 2581), (2615, 2617), (2685, 2687), (2715, 2717), (2745, 2747), (276E, 2771), (2825, 2827), (2835, 2837), (2895, 2897), (292E, 2931), (293E, 2941), (2X2E, 2X31), (2X5E, 2X61), (2X95, 2X97), (2XX5, 2XX7), (2E4E, 2E51), (303E, 3041), (307E, 3081), (3175, 3177), (3195, 3197), (3205, 3207), (3225, 3227), (323E, 3241), (331E, 3321), (332E, 3331), (3335, 3337), (33X5, 33X7), (3475, 3477), (348E, 3491), (349E, 34X1), (3635, 3637), (366E, 3671), (3705, 3707), (3765, 3767), (378E, 3791), (381E, 3821), (3895, 3897), (395E, 3961), (3975, 3977), (3X2E, 3X31), (3X55, 3X57), (3X65, 3X67), (3XE5, 3XE7), (3E0E, 3E11), (3E1E, 3E21), (3E4E, 3E51), (3E85, 3E87), (402E, 4031), (403E, 4041), (415E, 4161), (420E, 4211), (428E, 4291), (42XE, 42E1), (4305, 4307), (4395, 4397), (43EE, 4401), (444E, 4451), (445E, 4461), (4485, 4487), (45X5, 45X7), (4685, 4687), (4725, 4727), (4775, 4777), (481E, 4821), (490E, 4911), (491E, 4921), (496E, 4971), (4X2E, 4X31), (4X65, 4X67), (4E35, 4E37), (4E85, 4E87), (4EXE, 4EE1), (512E, 5131), (5145, 5147), (5165, 5167), (5235, 5237), (525E, 5261), (526E, 5271), (5295, 5297), (541E, 5421), (5455, 5457), (54X5, 54X7), (554E, 5551), (555E, 5561), (5565, 5567), (5585, 5587), (56X5, 56X7), (5725, 5727), (575E, 5761), (579E, 57X1), (5855, 5857), (58E5, 58E7), (595E, 5961), (5985, 5987), (59XE, 59E1), (5X0E, 5X11), (5X4E, 5X51), (5E3E, 5E41), (5E65, 5E67), (5E8E, 5E91), (604E, 6051), (6075, 6077), (60XE, 60E1), (6115, 6117), (6245, 6247), (634E, 6351), (6375, 6377), (63E5, 63E7), (6495, 6497), (64X5, 64X7), (6525, 6527), (655E, 6561), (656E, 6571), (669E, 66X1), (6795, 6797), (6825, 6827), (692E, 6931), (6945, 6947), (6995, 6997), (6X1E, 6X21), (6XXE, 6XE1), (6E15, 6E17), (6E75, 6E77), (6E9E, 6EX1), (700E, 7011), (7055, 7057), (70EE, 7101), (710E, 7111), (71E5, 71E7), (730E, 7311), (736E, 7371), (7505, 7507), (7585, 7587), (7635, 7637), (763E, 7641), (7795, 7797), (7875, 7877), (7905, 7907), (7XEE, 7E01), (7E0E, 7E11), (7E25, 7E27), (7E35, 7E37), (7E65, 7E67), (8005, 8007), (8045, 8047), (8065, 8067), (808E, 8091), (8125, 8127), (8135, 8137), (8195, 8197), (82E5, 82E7), (8355, 8357), (83XE, 83E1), (843E, 8441), (8505, 8507), (8515, 8517), (853E, 8541), (856E, 8571), (872E, 8731), (8915, 8917), (8X05, 8X07), (8X1E, 8X21), (8X55, 8X57), (8X7E, 8X81), (9025, 9027), (9075, 9077), (907E, 9081), (912E, 9131), (9135, 9137), (923E, 9241), (92XE, 92E1), (9365, 9367), (936E, 9371), (940E, 9411), (944E, 9451), (9485, 9487), (9575, 9577), (962E, 9631), (975E, 9761), (9775, 9777), (97XE, 97E1), (98X5, 98X7), (9945, 9947), (99XE, 99E1), (9X2E, 9X31), (9E45, 9E47), (9E5E, 9E61), (X00E, X011), (X08E, X091), (X0E5, X0E7), (X155, X157), (X20E, X211), (X225, X227), (X275, X277), (X295, X297), (X32E, X331), (X365, X367), (X3X5, X3X7), (X445, X447), (X455, X457), (X485, X487), (X4XE, X4E1), (X535, X537), (X53E, X541), (X54E, X551), (X59E, X5X1), (X5XE, X5E1), (X68E, X691), (X6EE, X701), (X71E, X721), (X875, X877), (X88E, X891), (XE3E, XE41), (XE45, XE47), (E05E, E061), (E0XE, E0E1), (E125, E127), (E14E, E151), (E26E, E271), (E2X5, E2X7), (E2XE, E2E1), (E325, E327), (E385, E387), (E495, E497), (E51E, E521), (E595, E597), (E615, E617), (E675, E677), (E69E, E6X1), (E705, E707), (E7XE, E7E1), (E85E, E861), (E945, E947), (E9E5, E9E7), (EX25, EX27), (EX4E, EX51), (EX85, EX87), (EE3E, EE41), (EEX5, EEX7), ...

(p, p+4) (cousin primes): (3, 7), (7, E), (11, 15), (17, 1E), (31, 35), (37, 3E), (57, 5E), (67, 6E), (81, 85), (87, 8E), (91, 95), (X7, XE), (117, 11E), (141, 145), (167, 16E), (171, 175), (1E1, 1E5), (217, 21E), (221, 225), (251, 255), (277, 27E), (291, 295), (307, 30E), (321, 325), (327, 32E), (347, 34E), (357, 35E), (431, 435), (457, 45E), (481, 485), (517, 51E), (531, 535), (541, 545), (587, 58E), (5E1, 5E5), (5E7, 5EE), (611, 615), (617, 61E), (637, 63E), (661, 665), (687, 68E), (701, 705), (767, 76E), (771, 775), (851, 855), (8X7, 8XE), (901, 905), (907, 90E), (9X7, 9XE), (9E1, 9E5), (X07, X0E), (X37, X3E), (X41, X45), (X91, X95), (XX7, XXE), (XE7, XEE), (E11, E15), (E21, E25), (E67, E6E), (E91, E95), (1047, 104E), (10E7, 10EE), (1101, 1105), (11X1, 11X5), (11X7, 11XE), (1257, 125E), (12X1, 12X5), (1337, 133E), (1367, 136E), (1391, 1395), (13E1, 13E5), (1437, 143E), (1461, 1465), (1471, 1475), (14E1, 14E5), (1521, 1525), (1577, 157E), (1621, 1625), (1657, 165E), (1677, 167E), (1681, 1685), (1697, 169E), (1711, 1715), (1751, 1755), (1781, 1785), (17X1, 17X5), (1861, 1865), (18E7, 18EE), (1911, 1915), (1947, 194E), (19E7, 19EE), (1X17, 1X1E), (1X41, 1X45), (1X71, 1X75), (1E07, 1E0E), (1E27, 1E2E), (2001, 2005), (2007, 200E), (2061, 2065), (2111, 2115), (2161, 2165), (2181, 2185), (2241, 2245), (2287, 228E), (22E1, 22E5), (2317, 231E), (2327, 232E), (2347, 234E), (2397, 239E), (2481, 2485), (24X1, 24X5), (26X7, 26XE), (2741, 2745), (2747, 274E), (2827, 282E), (28X1, 28X5), (2927, 292E), (2931, 2935), (2951, 2955), (2X31, 2X35), (2X61, 2X65), (2X87, 2X8E), (2E31, 2E35), (2EX7, 2EXE), (3037, 303E), (3041, 3045), (3117, 311E), (3171, 3175), (3191, 3195), (3207, 320E), (3227, 322E), (3247, 324E), (3281, 3285), (3327, 332E), (3331, 3335), (3361, 3365), (33X1, 33X5), (3417, 341E), (3467, 346E), (3481, 3485), (3517, 351E), (3587, 358E), (35E7, 35EE), (3707, 370E), (3721, 3725), (38E1, 38E5), (3957, 395E), (3981, 3985), (3X91, 3X95), (3E47, 3E4E), (3E51, 3E55), (3EE7, 3EEE), (4047, 404E), (4071, 4075), (40X7, 40XE), (4207, 420E), (4237, 423E), (43E1, 43E5), (4441, 4445), (4471, 4475), (4497, 449E), (4507, 450E), (4531, 4535), (4547, 454E), (4557, 455E), (4577, 457E), (45X1, 45X5), (4611, 4615), (4681, 4685), (4687, 468E), (4711, 4715), (4821, 4825), (4887, 488E), (4921, 4925), (4951, 4955), (4967, 496E), (4971, 4975), (4X57, 4X5E), (4X77, 4X7E), (4E37, 4E3E), (4EX7, 4EXE), (5031, 5035), (5041, 5045), (5081, 5085), (50E7, 50EE), (5117, 511E), (5167, 516E), (5201, 5205), (5267, 526E), (5351, 5355), (5371, 5375), (53X7, 53XE), (5451, 5455), (5487, 548E), (54X1, 54X5), (5561, 5565), (5587, 558E), (5637, 563E), (5697, 569E), (5777, 577E), (57E7, 57EE), (5831, 5835), (5877, 587E), (5X17, 5X1E), (5X67, 5X6E), (5X81, 5X85), (5E17, 5E1E), (5E37, 5E3E), (5E91, 5E95), (6051, 6055), (6071, 6075), (6077, 607E), (6171, 6175), (6197, 619E), (6207, 620E), (6227, 622E), (6261, 6265), (64E7, 64EE), (6521, 6525), (6571, 6575), (6607, 660E), (6621, 6625), (6671, 6675), (6757, 675E), (6777, 677E), (6861, 6865), (6881, 6885), (6911, 6915), (6997, 699E), (6X17, 6X1E), (6X47, 6X4E), (6X97, 6X9E), (6E47, 6E4E), (6E71, 6E75), (7001, 7005), (7011, 7015), (7051, 7055), (7131, 7135), (7187, 718E), (71E1, 71E5), (7221, 7225), (7241, 7245), (7287, 728E), (7391, 7395), (7457, 745E), (7561, 7565), (7577, 757E), (7587, 758E), (7617, 761E), (7637, 763E), (7661, 7665), (76E7, 76EE), (7737, 773E), (7747, 774E), (7767, 776E), (7851, 7855), (7867, 786E), (7921, 7925), (7E07, 7E0E), (7E11, 7E15), (7E67, 7E6E), (8041, 8045), (8047, 804E), (8067, 806E), (80E7, 80EE), (8151, 8155), (8197, 819E), (8231, 8235), (8251, 8255), (8357, 835E), (8407, 840E), (8417, 841E), (84E1, 84E5), (8511, 8515), (8571, 8575), (8591, 8595), (8621, 8625), (8641, 8645), (8667, 866E), (8677, 867E), (86E7, 86EE), (8747, 874E), (8797, 879E), (8831, 8835), (8881, 8885), (89E7, 89EE), (8X91, 8X95), (8E27, 8E2E), (8E71, 8E75), (9077, 907E), (9097, 909E), (90X7, 90XE), (9127, 912E), (9131, 9135), (9177, 917E), (9231, 9235), (9267, 926E), (9361, 9365), (9367, 936E), (9371, 9375), (9387, 938E), (9447, 944E), (9451, 9455), (94X1, 94X5), (9601, 9605), (9627, 962E), (9651, 9655), (9737, 973E), (9781, 9785), (97E7, 97EE), (9847, 984E), (9927, 992E), (9967, 996E), (9X31, 9X35), (9E57, 9E5E), (X031, X035), (X087, X08E), (X091, X095), (X137, X13E), (X201, X205), (X247, X24E), (X4X1, X4X5), (X537, X53E), (X5X7, X5XE), (X671, X675), (X691, X695), (X717, X71E), (X767, X76E), (X791, X795), (X807, X80E), (X821, X825), (X871, X875), (X907, X90E), (XX61, XX65), (XE41, XE45), (E001, E005), (E051, E055), (E147, E14E), (E277, E27E), (E2X1, E2X5), (E2X7, E2XE), (E2E1, E2E5), (E527, E52E), (E6X1, E6X5), (E727, E72E), (E781, E785), (E7X7, E7XE), (E811, E815), (E917, E91E), (E941, E945), (E971, E975), (E987, E98E), (EX27, EX2E), ...

(p, p+6) (sexy primes): (5, E), (7, 11), (E, 15), (11, 17), (15, 1E), (1E, 25), (27, 31), (31, 37), (35, 3E), (3E, 45), (45, 4E), (51, 57), (57, 61), (61, 67), (6E, 75), (81, 87), (85, 8E), (87, 91), (8E, 95), (XE, E5), (107, 111), (111, 117), (11E, 125), (125, 12E), (13E, 145), (141, 147), (167, 171), (16E, 175), (175, 17E), (18E, 195), (195, 19E), (19E, 1X5), (1X7, 1E1), (1E1, 1E7), (217, 221), (21E, 225), (237, 241), (24E, 255), (255, 25E), (267, 271), (271, 277), (27E, 285), (301, 307), (30E, 315), (321, 327), (325, 32E), (35E, 365), (391, 397), (3X5, 3XE), (3XE, 3E5), (3E7, 401), (40E, 415), (415, 41E), (421, 427), (427, 431), (431, 437), (455, 45E), (45E, 465), (465, 46E), (485, 48E), (507, 511), (511, 517), (527, 531), (585, 58E), (587, 591), (5E1, 5E7), (5E5, 5EE), (611, 617), (615, 61E), (665, 66E), (66E, 675), (68E, 695), (695, 69E), (6X7, 6E1), (705, 70E), (721, 727), (747, 751), (767, 771), (76E, 775), (775, 77E), (77E, 785), (791, 797), (797, 7X1), (825, 82E), (82E, 835), (855, 85E), (85E, 865), (867, 871), (8X5, 8XE), (8XE, 8E5), (8E7, 901), (901, 907), (905, 90E), (921, 927), (955, 95E), (95E, 965), (9X7, 9E1), (9XE, 9E5), (9E5, 9EE), (X07, X11), (X11, X17), (X35, X3E), (X37, X41), (X3E, X45), (X45, X4E), (X87, X91), (X95, X9E), (E15, E1E), (E1E, E25), (E25, E2E), (E31, E37), (E61, E67), (E67, E71), (E91, E97), (1011, 1017), (1017, 1021), (1021, 1027), (1041, 1047), (1047, 1051), (10E1, 10E7), (10E7, 1101), (10EE, 1105), (1101, 1107), (1125, 112E), (112E, 1135), (1185, 118E), (1197, 11X1), (11X1, 11X7), (11X5, 11XE), (11E7, 1201), (123E, 1245), (1255, 125E), (1257, 1261), (1297, 12X1), (12X1, 12X7), (133E, 1345), (1365, 136E), (138E, 1395), (13X1, 13X7), (13X7, 13E1), (1425, 142E), (1431, 1437), (143E, 1445), (1457, 1461), (1461, 1467), (1467, 1471), (1475, 147E), (148E, 1495), (1495, 149E), (14E5, 14EE), (1517, 1521), (157E, 1585), (1587, 1591), (1655, 165E), (1667, 1671), (1671, 1677), (1677, 1681), (167E, 1685), (1685, 168E), (1697, 16X1), (16X1, 16X7), (1747, 1751), (1751, 1757), (1785, 178E), (1797, 17X1), (1815, 181E), (181E, 1825), (1865, 186E), (186E, 1875), (1931, 1937), (194E, 1955), (19E7, 1X01), (1X11, 1X17), (1X2E, 1X35), (1X6E, 1X75), (1X71, 1X77), (1XE1, 1XE7), (1XE7, 1E01), (1E01, 1E07), (1E0E, 1E15), (1E7E, 1E85), (2001, 2007), (2005, 200E), (2007, 2011), (2047, 2051), (205E, 2065), (2065, 206E), (2071, 2077), (2107, 2111), (2115, 211E), (2127, 2131), (2131, 2137), (215E, 2165), (2177, 2181), (21X7, 21E1), (21E1, 21E7), (2215, 221E), (2245, 224E), (2287, 2291), (231E, 2325), (2325, 232E), (232E, 2335), (2395, 239E), (239E, 23X5), (23X5, 23XE), (23E1, 23E7), (2417, 2421), (2435, 243E), (2451, 2457), (247E, 2485), (2485, 248E), (24X1, 24X7), (252E, 2535), (2565, 256E), (258E, 2595), (2631, 2637), (265E, 2665), (26X1, 26X7), (26XE, 26E5), (26E5, 26EE), (2737, 2741), (2741, 2747), (2745, 274E), (2781, 2787), (27X7, 27E1), (27E1, 27E7), (2825, 282E), (282E, 2835), (2837, 2841), (2841, 2847), (2855, 285E), (2897, 28X1), (2927, 2931), (292E, 2935), (2935, 293E), (299E, 29X5), (2X07, 2X11), (2X2E, 2X35), (2X35, 2X3E), (2X47, 2X51), (2X5E, 2X65), (2X77, 2X81), (2X81, 2X87), (2X8E, 2X95), (2E35, 2E3E), (2E51, 2E57), (2E57, 2E61), (2E61, 2E67), (2E8E, 2E95), (3037, 3041), (303E, 3045), (3075, 307E), (3095, 309E), (309E, 30X5), (3145, 314E), (314E, 3155), (3155, 315E), (3167, 3171), (3171, 3177), (3187, 3191), (3191, 3197), (3197, 31X1), (31EE, 3205), (3205, 320E), (3225, 322E), (3241, 3247), (3271, 3277), (3277, 3281), (3321, 3327), (3327, 3331), (332E, 3335), (3331, 3337), (3357, 3361), (337E, 3385), (33X1, 33X7), (33X7, 33E1), (3435, 343E), (343E, 3445), (3451, 3457), (346E, 3475), (3477, 3481), (3485, 348E), (34E5, 34EE), (3565, 356E), (35E1, 35E7), (35EE, 3605), (3617, 3621), (3621, 3627), (3705, 370E), (3717, 3721), (3755, 375E), (375E, 3765), (3767, 3771), (379E, 37X5), (37X5, 37XE), (37XE, 37E5), (3801, 3807), (3815, 381E), (3821, 3827), (3827, 3831), (3831, 3837), (3871, 3877), (3957, 3961), (396E, 3975), (3977, 3981), (3X25, 3X2E), (3X41, 3X47), (3X67, 3X71), (3E47, 3E51), (3E4E, 3E55), (3E75, 3E7E), (3E7E, 3E85), (3EEE, 4005), (4041, 4047), (404E, 4055), (4055, 405E), (4067, 4071), (4085, 408E), (413E, 4145), (4155, 415E), (41XE, 41E5), (4207, 4211), (4211, 4217), (4231, 4237), (423E, 4245), (4357, 4361), (438E, 4395), (43E5, 43EE), (4425, 442E), (442E, 4435), (4445, 444E), (4475, 447E), (447E, 4485), (450E, 4515), (4541, 4547), (4571, 4577), (45X1, 45X7), (4635, 463E), (463E, 4645), (4677, 4681), (4681, 4687), (4685, 468E), (46X5, 46XE), (4707, 4711), (4777, 4781), (47E1, 47E7), (4815, 481E), (481E, 4825), (483E, 4845), (4845, 484E), (4881, 4887), (491E, 4925), (4925, 492E), (4947, 4951), (4967, 4971), (496E, 4975), (4987, 4991), (4X0E, 4X15), (4X5E, 4X65), (4X91, 4X97), (4E21, 4E27), (4E35, 4E3E), (4EX7, 4EE1), (5001, 5007), (501E, 5025), (5045, 504E), (5057, 5061), (5061, 5067), (5077, 5081), (5085, 508E), (508E, 5095), (513E, 5145), (5165, 516E), (5187, 5191), (51E7, 5201), (522E, 5235), (5261, 5267), (5267, 5271), (5297, 52X1), (5327, 5331), (5347, 5351), (5367, 5371), (5391, 5397), (53XE, 53E5), (5405, 540E), (5451, 5457), (54X1, 54X7), (54X7, 54E1), (550E, 5515), (5527, 5531), (5531, 5537), (5545, 554E), (555E, 5565), (5561, 5567), (5585, 558E), (558E, 5595), (5595, 559E), (55XE, 55E5), (5625, 562E), (5691, 5697), (569E, 56X5), (56E7, 5701), (5771, 5777), (577E, 5785), (57E1, 57E7), (5817, 5821), (5835, 583E), (584E, 5855), (5891, 5897), (58XE, 58E5), (5927, 5931), (59X5, 59XE), (5X11, 5X17), (5X45, 5X4E), (5X6E, 5X75), (5E1E, 5E25), (5E25, 5E2E), (5E37, 5E41), (5E8E, 5E95), (5E95, 5E9E), (604E, 6055), (6071, 6077), (6075, 607E), (6175, 617E), (617E, 6185), (61E7, 6201), (6201, 6207), (6257, 6261), (6265, 626E), (6327, 6331), (633E, 6345), (6345, 634E), (6351, 6357), (636E, 6375), (6387, 6391), (6425, 642E), (6437, 6441), (64EE, 6505), (6521, 6527), (656E, 6575), (6617, 6621), (6635, 663E), (6667, 6671), (6715, 671E), (6751, 6757), (678E, 6795), (6797, 67X1), (67X1, 67X7), (6857, 6861), (6995, 699E), (699E, 69X5), (69E5, 69EE), (69EE, 6X05), (6X11, 6X17), (6X17, 6X21), (6X21, 6X27), (6X75, 6X7E), (6X7E, 6X85), (6X9E, 6XX5), (6XX5, 6XXE), (6E01, 6E07), (6E25, 6E2E), (6E71, 6E77), (6E77, 6E81), (7005, 700E), (700E, 7015), (7015, 701E), (703E, 7045), (7051, 7057), (7085, 708E), (711E, 7125), (716E, 7175), (71E1, 71E7), (7257, 7261), (7275, 727E), (728E, 7295), (7295, 729E), (72X7, 72E1), (7311, 7317), (7317, 7321), (7341, 7347), (7347, 7351), (7371, 7377), (7395, 739E), (739E, 73X5), (73X5, 73XE), (7421, 7427), (7471, 7477), (7507, 7511), (7565, 756E), (757E, 7585), (7585, 758E), (75E5, 75EE), (7607, 7611), (7611, 7617), (7635, 763E), (7637, 7641), (7665, 766E), (766E, 7675), (76E1, 76E7), (76EE, 7705), (7715, 771E), (7757, 7761), (7761, 7767), (7837, 7841), (786E, 7875), (7917, 7921), (794E, 7955), (7955, 795E), (795E, 7965), (7X47, 7X51), (7X65, 7X6E), (7X77, 7X81), (7E01, 7E07), (7E07, 7E11), (7E0E, 7E15), (7E37, 7E41), (7E5E, 7E65), (7E65, 7E6E), (8041, 8047), (8045, 804E), (8065, 806E), (806E, 8075), (816E, 8175), (8195, 819E), (8227, 8231), (8235, 823E), (82XE, 82E5), (8355, 835E), (8371, 8377), (8401, 8407), (8427, 8431), (84E5, 84EE), (84EE, 8505), (8507, 8511), (8511, 8517), (8565, 856E), (856E, 8575), (8575, 857E), (8625, 862E), (8637, 8641), (8645, 864E), (864E, 8655), (8655, 865E), (86E1, 86E7), (874E, 8755), (8777, 8781), (879E, 87X5), (8885, 888E), (88X5, 88XE), (890E, 8915), (8957, 8961), (8961, 8967), (898E, 8995), (89EE, 8X05), (8X07, 8X11), (8X37, 8X41), (8X41, 8X47), (8X95, 8X9E), (8E45, 8E4E), (8E4E, 8E55), (9041, 9047), (9075, 907E), (9077, 9081), (9091, 9097), (9127, 9131), (912E, 9135), (9131, 9137), (9155, 915E), (915E, 9165), (917E, 9185), (9185, 918E), (918E, 9195), (91X1, 91X7), (9235, 923E), (9251, 9257), (9257, 9261), (9261, 9267), (9315, 931E), (9361, 9367), (9365, 936E), (9367, 9371), (936E, 9375), (938E, 9395), (9395, 939E), (9447, 9451), (944E, 9455), (9475, 947E), (947E, 9485), (94E7, 9501), (9551, 9557), (9577, 9581), (95E7, 9601), (9605, 960E), (960E, 9615), (9627, 9631), (9655, 965E), (965E, 9665), (96XE, 96E5), (9701, 9707), (9707, 9711), (9777, 9781), (97E1, 97E7), (9831, 9837), (989E, 98X5), (992E, 9935), (9961, 9967), (996E, 9975), (9975, 997E), (99E1, 99E7), (99E7, 9X01), (9X25, 9X2E), (9X2E, 9X35), (9X41, 9X47), (9X47, 9X51), (9X85, 9X8E), (9XX5, 9XXE), (9E3E, 9E45), (9E57, 9E61), (X011, X017), (X035, X03E), (X03E, X045), (X081, X087), (X087, X091), (X08E, X095), (X117, X121), (X13E, X145), (X145, X14E), (X14E, X155), (X157, X161), (X205, X20E), (X2E7, X301), (X35E, X365), (X43E, X445), (X457, X461), (X497, X4X1), (X4X5, X4XE), (X535, X53E), (X537, X541), (X5X1, X5X7), (X5X7, X5E1), (X5EE, X605), (X657, X661), (X661, X667), (X667, X671), (X68E, X695), (X711, X717), (X717, X721), (X7E7, X801), (X801, X807), (X817, X821), (X871, X877), (X90E, X915), (X9E5, X9EE), (XX1E, XX25), (XX57, XX61), (XX65, XX6E), (XE3E, XE45), (XE41, XE47), (XE91, XE97), (E01E, E025), (E055, E05E), (E061, E067), (E105, E10E), (E147, E151), (E151, E157), (E167, E171), (E197, E1X1), (E265, E26E), (E271, E277), (E2X1, E2X7), (E2X5, E2XE), (E2X7, E2E1), (E2XE, E2E5), (E301, E307), (E315, E31E), (E31E, E325), (E327, E331), (E331, E337), (E337, E341), (E351, E357), (E395, E39E), (E3XE, E3E5), (E3E5, E3EE), (E411, E417), (E417, E421), (E481, E487), (E521, E527), (E571, E577), (E5E1, E5E7), (E635, E63E), (E685, E68E), (E69E, E6X5), (E707, E711), (E771, E777), (E777, E781), (E785, E78E), (E78E, E795), (E7X7, E7E1), (E815, E81E), (E91E, E925), (E931, E937), (E937, E941), (E941, E947), (E975, E97E), (EX25, EX2E), (EX7E, EX85), (EE01, EE07), ...

(p, p+8) (octy primes): (3, E), (5, 11), (E, 17), (1E, 27), (25, 31), (45, 51), (4E, 57), (5E, 67), (75, 81), (85, 91), (XE, E7), (105, 111), (125, 131), (13E, 147), (175, 181), (19E, 1X7), (1X5, 1E1), (25E, 267), (285, 291), (295, 2X1), (2EE, 307), (315, 321), (33E, 347), (34E, 357), (3XE, 3E7), (3E5, 401), (415, 421), (41E, 427), (465, 471), (48E, 497), (4X5, 4E1), (4EE, 507), (51E, 527), (535, 541), (585, 591), (63E, 647), (655, 661), (69E, 6X7), (705, 711), (71E, 727), (745, 751), (785, 791), (80E, 817), (835, 841), (85E, 867), (865, 871), (8XE, 8E7), (8E5, 901), (91E, 927), (965, 971), (9EE, X07), (X0E, X17), (X35, X41), (X6E, X77), (X9E, XX7), (XXE, XE7), (E15, E21), (E25, E31), (E2E, E37), (1005, 1011), (107E, 1087), (10EE, 1107), (118E, 1197), (11XE, 11E7), (1255, 1261), (1295, 12X1), (12E5, 1301), (1345, 1351), (136E, 1377), (1395, 13X1), (1425, 1431), (142E, 1437), (1465, 1471), (150E, 1517), (156E, 1577), (157E, 1587), (1585, 1591), (1615, 1621), (165E, 1667), (168E, 1697), (169E, 16X7), (1705, 1711), (1745, 1751), (178E, 1797), (17EE, 1807), (1825, 1831), (186E, 1877), (18XE, 18E7), (1915, 1921), (1X35, 1X41), (1X45, 1X51), (1X6E, 1X77), (1XXE, 1XE7), (1E0E, 1E17), (1EE5, 2001), (2005, 2011), (202E, 2037), (2065, 2071), (206E, 2077), (211E, 2127), (2185, 2191), (219E, 21X7), (2215, 2221), (22E5, 2301), (231E, 2327), (232E, 2337), (23X5, 23E1), (23XE, 23E7), (2415, 2421), (244E, 2457), (252E, 2537), (2565, 2571), (2595, 25X1), (2625, 2631), (279E, 27X7), (282E, 2837), (2835, 2841), (2895, 28X1), (28EE, 2907), (2935, 2941), (2X3E, 2X47), (2X8E, 2X97), (2E0E, 2E17), (2E4E, 2E57), (2EXE, 2EE7), (3005, 3011), (3075, 3081), (315E, 3167), (3195, 31X1), (31EE, 3207), (323E, 3247), (3285, 3291), (331E, 3327), (332E, 3337), (3365, 3371), (33X5, 33E1), (341E, 3427), (3445, 3451), (346E, 3477), (3475, 3481), (3485, 3491), (35X5, 35E1), (3655, 3661), (367E, 3687), (370E, 3717), (3725, 3731), (375E, 3767), (3765, 3771), (37E5, 3801), (3815, 3821), (381E, 3827), (3845, 3851), (38E5, 3901), (3935, 3941), (396E, 3977), (3975, 3981), (399E, 39X7), (3X25, 3X31), (3X65, 3X71), (3E55, 3E61), (3E7E, 3E87), (3EXE, 3EE7), (403E, 4047), (405E, 4067), (408E, 4097), (4155, 4161), (417E, 4187), (420E, 4217), (4225, 4231), (438E, 4397), (43E5, 4401), (440E, 4417), (4435, 4441), (4445, 4451), (447E, 4487), (4535, 4541), (454E, 4557), (46EE, 4707), (4775, 4781), (4815, 4821), (4825, 4831), (488E, 4897), (4X15, 4X21), (4X5E, 4X67), (4E15, 4E21), (4E65, 4E71), (5025, 5031), (5035, 5041), (504E, 5057), (5095, 50X1), (513E, 5147), (5205, 5211), (522E, 5237), (525E, 5267), (5295, 52X1), (52XE, 52E7), (5385, 5391), (547E, 5487), (54X5, 54E1), (5545, 5551), (555E, 5567), (562E, 5637), (569E, 56X7), (5735, 5741), (580E, 5817), (584E, 5857), (58XE, 58E7), (5905, 5911), (59X5, 59E1), (5X0E, 5X17), (5X1E, 5X27), (5X45, 5X51), (5X5E, 5X67), (5X75, 5X81), (5E2E, 5E37), (5E75, 5E81), (601E, 6027), (613E, 6147), (6165, 6171), (619E, 61X7), (62X5, 62E1), (6345, 6351), (634E, 6357), (636E, 6377), (6405, 6411), (642E, 6437), (660E, 6617), (663E, 6647), (6675, 6681), (678E, 6797), (6795, 67X1), (67EE, 6807), (684E, 6857), (6915, 6921), (6X05, 6X11), (6X1E, 6X27), (6XX5, 6XE1), (6E75, 6E81), (7005, 7011), (7045, 7051), (708E, 7097), (7125, 7131), (7135, 7141), (7215, 7221), (7225, 7231), (727E, 7287), (729E, 72X7), (730E, 7317), (7335, 7341), (736E, 7377), (7415, 7421), (7435, 7441), (749E, 74X7), (7505, 7511), (756E, 7577), (757E, 7587), (75EE, 7607), (7635, 7641), (773E, 7747), (774E, 7757), (77E5, 7801), (780E, 7817), (786E, 7877), (7965, 7971), (7X6E, 7X77), (7XEE, 7E07), (7E35, 7E41), (7E5E, 7E67), (7E85, 7E91), (7E9E, 7EX7), (8075, 8081), (82XE, 82E7), (840E, 8417), (841E, 8427), (84EE, 8507), (8505, 8511), (8565, 8571), (862E, 8637), (865E, 8667), (866E, 8677), (86X5, 86E1), (870E, 8717), (873E, 8747), (878E, 8797), (8865, 8871), (888E, 8897), (890E, 8917), (8995, 89X1), (89EE, 8X07), (8X05, 8X11), (8X2E, 8X37), (8X9E, 8XX7), (8E2E, 8E37), (8EEE, 9007), (9075, 9081), (909E, 90X7), (912E, 9137), (9195, 91X1), (9235, 9241), (9365, 9371), (939E, 93X7), (947E, 9487), (9575, 9581), (96E5, 9701), (9775, 9781), (97XE, 97E7), (989E, 98X7), (991E, 9927), (99XE, 99E7), (9X25, 9X31), (9X35, 9X41), (9X8E, 9X97), (9E1E, 9E27), (9E3E, 9E47), (9E7E, 9E87), (X00E, X017), (X045, X051), (X05E, X067), (X095, X0X1), (X14E, X157), (X155, X161), (X205, X211), (X315, X321), (X35E, X367), (X43E, X447), (X455, X461), (X4X5, X4E1), (X535, X541), (X575, X581), (X59E, X5X7), (X63E, X647), (X76E, X777), (X80E, X817), (X97E, X987), (XX25, XX31), (XE3E, XE47), (XEE5, E001), (E055, E061), (E05E, E067), (E14E, E157), (E18E, E197), (E205, E211), (E265, E271), (E26E, E277), (E2X5, E2E1), (E2E5, E301), (E31E, E327), (E325, E331), (E4X5, E4E1), (E51E, E527), (E555, E561), (E5X5, E5E1), (E63E, E647), (E705, E711), (E73E, E747), (E885, E891), (E925, E931), (E97E, E987), (EX7E, EX87), ...

(p, p+X) (dekry primes): (3, 11), (7, 15), (11, 1E), (17, 25), (27, 35), (31, 3E), (37, 45), (51, 5E), (61, 6E), (67, 75), (81, 8E), (87, 95), (X7, E5), (E7, 105), (111, 11E), (117, 125), (131, 13E), (167, 175), (171, 17E), (181, 18E), (1X7, 1E5), (1E7, 205), (217, 225), (241, 24E), (251, 25E), (271, 27E), (277, 285), (2X1, 2XE), (2E1, 2EE), (301, 30E), (307, 315), (321, 32E), (357, 365), (397, 3X5), (401, 40E), (427, 435), (447, 455), (457, 465), (481, 48E), (497, 4X5), (4E1, 4EE), (511, 51E), (527, 535), (557, 565), (577, 585), (591, 59E), (5E1, 5EE), (611, 61E), (647, 655), (661, 66E), (687, 695), (701, 70E), (711, 71E), (727, 735), (737, 745), (767, 775), (771, 77E), (801, 80E), (817, 825), (851, 85E), (881, 88E), (8X7, 8E5), (8E7, 905), (901, 90E), (987, 995), (9X7, 9E5), (9E1, 9EE), (X27, X35), (X37, X45), (X41, X4E), (X87, X95), (X91, X9E), (E11, E1E), (E21, E2E), (E37, E45), (E61, E6E), (E97, EX5), (EE7, 1005), (1041, 104E), (1061, 106E), (10E1, 10EE), (10E7, 1105), (1107, 1115), (1197, 11X5), (11X1, 11XE), (1201, 120E), (1211, 121E), (1231, 123E), (1261, 126E), (1297, 12X5), (12X7, 12E5), (1337, 1345), (13X7, 13E5), (1431, 143E), (1437, 1445), (1457, 1465), (1467, 1475), (1471, 147E), (14E1, 14EE), (1517, 1525), (1561, 156E), (1577, 1585), (1647, 1655), (1671, 167E), (1677, 1685), (1681, 168E), (16X7, 16E5), (16E7, 1705), (1727, 1735), (1747, 1755), (1781, 178E), (1797, 17X5), (1807, 1815), (1831, 183E), (1861, 186E), (18X1, 18XE), (1947, 1955), (1971, 197E), (1X11, 1X1E), (1E01, 1E0E), (1E07, 1E15), (1E41, 1E4E), (2001, 200E), (2051, 205E), (2061, 206E), (2077, 2085), (2097, 20X5), (20X7, 20E5), (2107, 2115), (2111, 211E), (2177, 2185), (2191, 219E), (2221, 222E), (2241, 224E), (2267, 2275), (2291, 229E), (2317, 2325), (2327, 2335), (2397, 23X5), (2481, 248E), (2521, 252E), (2537, 2545), (2547, 2555), (2557, 2565), (2571, 257E), (2581, 258E), (2607, 2615), (2617, 2625), (2637, 2645), (26X1, 26XE), (26X7, 26E5), (2717, 2725), (2737, 2745), (2741, 274E), (2827, 2835), (2847, 2855), (2897, 28X5), (2927, 2935), (2931, 293E), (2991, 299E), (2X11, 2X1E), (2X31, 2X3E), (2X51, 2X5E), (2X81, 2X8E), (2X87, 2X95), (2X97, 2XX5), (2E31, 2E3E), (2EE7, 3005), (3037, 3045), (30E7, 3105), (3167, 3175), (3187, 3195), (3241, 324E), (3277, 3285), (3291, 329E), (3321, 332E), (3327, 3335), (3337, 3345), (3357, 3365), (3371, 337E), (3427, 3435), (3467, 3475), (3477, 3485), (3481, 348E), (3491, 349E), (35E1, 35EE), (35E7, 3605), (3627, 3635), (3637, 3645), (3661, 366E), (3671, 367E), (3697, 36X5), (3717, 3725), (3747, 3755), (3771, 377E), (3791, 379E), (3807, 3815), (3837, 3845), (3901, 390E), (3961, 396E), (3977, 3985), (3X47, 3X55), (3X57, 3X65), (3X71, 3X7E), (3E11, 3E1E), (3E21, 3E2E), (3E47, 3E55), (3EE7, 4005), (4031, 403E), (4041, 404E), (4047, 4055), (4067, 4075), (4111, 411E), (41X1, 41XE), (4217, 4225), (4231, 423E), (4237, 4245), (4281, 428E), (42X1, 42XE), (43E1, 43EE), (4401, 440E), (4417, 4425), (4441, 444E), (4451, 445E), (4471, 447E), (4507, 4515), (4541, 454E), (4571, 457E), (4677, 4685), (4681, 468E), (4707, 4715), (47E7, 4805), (4831, 483E), (4881, 488E), (4901, 490E), (4911, 491E), (4921, 492E), (4947, 4955), (4967, 4975), (4X01, 4X0E), (4X21, 4X2E), (4X57, 4X65), (4E27, 4E35), (4E57, 4E65), (4E87, 4E95), (5041, 504E), (5077, 5085), (5081, 508E), (5131, 513E), (5147, 5155), (51E7, 5205), (5211, 521E), (5261, 526E), (52X1, 52XE), (5347, 5355), (5367, 5375), (53X7, 53E5), (5457, 5465), (5537, 5545), (5551, 555E), (5587, 5595), (5607, 5615), (5691, 569E), (5697, 56X5), (5727, 5735), (5771, 577E), (5777, 5785), (57E1, 57EE), (5831, 583E), (58E7, 5905), (59E1, 59EE), (5X11, 5X1E), (5X51, 5X5E), (5X67, 5X75), (5E17, 5E25), (5E67, 5E75), (5E81, 5E8E), (5E91, 5E9E), (6071, 607E), (6091, 609E), (6171, 617E), (6201, 620E), (6257, 6265), (6261, 626E), (6297, 62X5), (62E1, 62EE), (6331, 633E), (63E7, 6405), (6441, 644E), (6487, 6495), (6497, 64X5), (64E7, 6505), (6551, 655E), (6561, 656E), (6617, 6625), (6667, 6675), (6707, 6715), (6751, 675E), (6857, 6865), (6921, 692E), (6997, 69X5), (6X11, 6X1E), (6X67, 6X75), (6X97, 6XX5), (6E07, 6E15), (6E17, 6E25), (7001, 700E), (7011, 701E), (7101, 710E), (7111, 711E), (7207, 7215), (7287, 7295), (72E1, 72EE), (7361, 736E), (7391, 739E), (7427, 7435), (7491, 749E), (74X7, 74E5), (7561, 756E), (7577, 7585), (7611, 761E), (7661, 766E), (76E1, 76EE), (76E7, 7705), (7761, 776E), (7797, 77X5), (7801, 780E), (7867, 7875), (7917, 7925), (7941, 794E), (7971, 797E), (79X1, 79XE), (7X27, 7X35), (7XE1, 7XEE), (7E01, 7E0E), (7E07, 7E15), (7E27, 7E35), (7E91, 7E9E), (8007, 8015), (8041, 804E), (8067, 8075), (8081, 808E), (8127, 8135), (8187, 8195), (8227, 8235), (8231, 823E), (8271, 827E), (8331, 833E), (8401, 840E), (8431, 843E), (8467, 8475), (84E1, 84EE), (8507, 8515), (8571, 857E), (8621, 862E), (8637, 8645), (8641, 864E), (86E1, 86EE), (8731, 873E), (8747, 8755), (8781, 878E), (8797, 87X5), (8881, 888E), (8897, 88X5), (8901, 890E), (8917, 8925), (8981, 898E), (89E7, 8X05), (8X11, 8X1E), (8X21, 8X2E), (8X47, 8X55), (8X71, 8X7E), (8X91, 8X9E), (8XX7, 8XE5), (8E37, 8E45), (8EE1, 8EEE), (9007, 9015), (9057, 9065), (9091, 909E), (9127, 9135), (9137, 9145), (9177, 9185), (9231, 923E), (9261, 926E), (9307, 9315), (9361, 936E), (9367, 9375), (9387, 9395), (9447, 9455), (9557, 9565), (95E7, 9605), (9601, 960E), (9651, 965E), (9687, 9695), (9777, 9785), (97E1, 97EE), (9927, 9935), (9961, 996E), (9967, 9975), (9X17, 9X25), (9X97, 9XX5), (X031, X03E), (X051, X05E), (X081, X08E), (X087, X095), (X137, X145), (X171, X17E), (X201, X20E), (X227, X235), (X277, X285), (X321, X32E), (X397, X3X5), (X421, X42E), (X447, X455), (X461, X46E), (X497, X4X5), (X4X1, X4XE), (X541, X54E), (X5X1, X5XE), (X5E1, X5EE), (X631, X63E), (X667, X675), (X711, X71E), (X801, X80E), (X817, X825), (X851, X85E), (X907, X915), (X971, X97E), (X997, X9X5), (XX57, XX65), (XX61, XX6E), (XXE7, XE05), (E051, E05E), (E181, E18E), (E211, E21E), (E271, E27E), (E2X1, E2XE), (E2X7, E2E5), (E307, E315), (E377, E385), (E387, E395), (E487, E495), (E497, E4X5), (E4E1, E4EE), (E521, E52E), (E597, E5X5), (E647, E655), (E677, E685), (E6E7, E705), (E777, E785), (E781, E78E), (E811, E81E), (E8X7, E8E5), (E917, E925), (E937, E945), (E947, E955), (E971, E97E), (E9X7, E9E5), (EX71, EX7E), (EE97, EEX5), ...

(p, p+10) (dozeny primes): (5, 15), (7, 17), (E, 1E), (15, 25), (17, 27), (25, 35), (27, 37), (35, 45), (3E, 4E), (4E, 5E), (51, 61), (57, 67), (5E, 6E), (75, 85), (81, 91), (85, 95), (X7, E7), (E5, 105), (E7, 107), (107, 117), (11E, 12E), (12E, 13E), (131, 141), (147, 157), (157, 167), (16E, 17E), (171, 181), (17E, 18E), (18E, 19E), (195, 1X5), (1X5, 1E5), (1X7, 1E7), (1E5, 205), (241, 251), (24E, 25E), (267, 277), (285, 295), (291, 2X1), (2X1, 2E1), (2XE, 2EE), (2E1, 301), (2EE, 30E), (315, 325), (32E, 33E), (33E, 34E), (347, 357), (34E, 35E), (365, 375), (3X5, 3E5), (40E, 41E), (421, 431), (427, 437), (437, 447), (447, 457), (455, 465), (45E, 46E), (471, 481), (507, 517), (517, 527), (531, 541), (535, 545), (565, 575), (575, 585), (577, 587), (58E, 59E), (637, 647), (655, 665), (665, 675), (68E, 69E), (6E1, 701), (701, 711), (70E, 71E), (711, 721), (727, 737), (735, 745), (737, 747), (76E, 77E), (775, 785), (791, 7X1), (7EE, 80E), (825, 835), (841, 851), (855, 865), (871, 881), (8X5, 8E5), (8X7, 8E7), (8E5, 905), (8E7, 907), (90E, 91E), (955, 965), (9XE, 9EE), (9EE, X0E), (X07, X17), (X17, X27), (X27, X37), (X35, X45), (X3E, X4E), (X4E, X5E), (X5E, X6E), (X77, X87), (X9E, XXE), (XX7, XE7), (XXE, XEE), (E11, E21), (E15, E25), (E1E, E2E), (E21, E31), (E61, E71), (E95, EX5), (EX5, EE5), (EE5, 1005), (1011, 1021), (1017, 1027), (1041, 1051), (1051, 1061), (106E, 107E), (10E1, 1101), (10E7, 1107), (1105, 1115), (1115, 1125), (1125, 1135), (1197, 11X7), (11X7, 11E7), (1201, 1211), (120E, 121E), (1245, 1255), (125E, 126E), (126E, 127E), (1295, 12X5), (1297, 12X7), (12X5, 12E5), (1367, 1377), (1391, 13X1), (13X1, 13E1), (13E5, 1405), (142E, 143E), (1457, 1467), (1461, 1471), (1465, 1475), (147E, 148E), (148E, 149E), (14EE, 150E), (156E, 157E), (1577, 1587), (15XE, 15EE), (1615, 1625), (1625, 1635), (1647, 1657), (1657, 1667), (1667, 1677), (1671, 1681), (167E, 168E), (168E, 169E), (1697, 16X7), (16X7, 16E7), (16E5, 1705), (1705, 1715), (1735, 1745), (1745, 1755), (1747, 1757), (1815, 1825), (183E, 184E), (1865, 1875), (189E, 18XE), (18XE, 18EE), (1911, 1921), (1921, 1931), (1937, 1947), (1971, 1981), (1X01, 1X11), (1X1E, 1X2E), (1X35, 1X45), (1X41, 1X51), (1X77, 1X87), (1XE1, 1E01), (1XE7, 1E07), (1E07, 1E17), (1E17, 1E27), (1E2E, 1E3E), (1E3E, 1E4E), (1E41, 1E51), (1EE5, 2005), (2001, 2011), (2037, 2047), (2051, 2061), (205E, 206E), (2061, 2071), (2077, 2087), (2087, 2097), (2097, 20X7), (20X5, 20E5), (2127, 2137), (214E, 215E), (2181, 2191), (21X7, 21E7), (221E, 222E), (2265, 2275), (228E, 229E), (22E1, 2301), (2317, 2327), (231E, 232E), (2325, 2335), (2327, 2337), (2337, 2347), (2385, 2395), (2395, 23X5), (239E, 23XE), (243E, 244E), (2457, 2467), (247E, 248E), (2535, 2545), (2537, 2547), (2545, 2555), (2547, 2557), (2555, 2565), (256E, 257E), (2571, 2581), (257E, 258E), (2607, 2617), (2615, 2625), (2665, 2675), (2675, 2685), (26XE, 26EE), (2715, 2725), (2737, 2747), (2771, 2781), (27X7, 27E7), (2825, 2835), (2827, 2837), (2837, 2847), (285E, 286E), (286E, 287E), (2895, 28X5), (292E, 293E), (2931, 2941), (2941, 2951), (29X5, 29E5), (2X1E, 2X2E), (2X2E, 2X3E), (2X51, 2X61), (2X77, 2X87), (2X87, 2X97), (2X95, 2XX5), (2X97, 2XX7), (2XEE, 2E0E), (2E3E, 2E4E), (2E51, 2E61), (2E57, 2E67), (2EX7, 2EE7), (3011, 3021), (3065, 3075), (3095, 30X5), (3145, 3155), (314E, 315E), (3167, 3177), (3177, 3187), (3187, 3197), (3191, 31X1), (31EE, 320E), (322E, 323E), (323E, 324E), (3271, 3281), (3281, 3291), (331E, 332E), (3321, 3331), (3327, 3337), (3335, 3345), (3361, 3371), (33X1, 33E1), (3417, 3427), (3435, 3445), (3457, 3467), (3467, 3477), (3475, 3485), (3481, 3491), (348E, 349E), (3491, 34X1), (351E, 352E), (3617, 3627), (3627, 3637), (3635, 3645), (3645, 3655), (3661, 3671), (366E, 367E), (3687, 3697), (3707, 3717), (3721, 3731), (3755, 3765), (377E, 378E), (378E, 379E), (379E, 37XE), (37X5, 37E5), (3821, 3831), (3827, 3837), (38E1, 3901), (395E, 396E), (3975, 3985), (39X7, 39E7), (3X31, 3X41), (3X47, 3X57), (3X55, 3X65), (3X57, 3X67), (3E0E, 3E1E), (3E11, 3E21), (3E1E, 3E2E), (3E51, 3E61), (3E75, 3E85), (3E87, 3E97), (3EXE, 3EEE), (402E, 403E), (4031, 4041), (403E, 404E), (404E, 405E), (4075, 4085), (4097, 40X7), (4101, 4111), (4145, 4155), (4207, 4217), (4281, 4291), (4291, 42X1), (42X1, 42E1), (43E1, 4401), (43EE, 440E), (4425, 4435), (4435, 4445), (4441, 4451), (444E, 445E), (4451, 4461), (4461, 4471), (4475, 4485), (4487, 4497), (4531, 4541), (4547, 4557), (454E, 455E), (4591, 45X1), (4635, 4645), (4645, 4655), (4655, 4665), (4677, 4687), (46XE, 46EE), (4715, 4725), (4727, 4737), (4805, 4815), (4815, 4825), (4821, 4831), (483E, 484E), (4887, 4897), (4897, 48X7), (4901, 4911), (490E, 491E), (4911, 4921), (491E, 492E), (4991, 49X1), (4X21, 4X31), (4X57, 4X67), (4X67, 4X77), (4E05, 4E15), (4E27, 4E37), (4E85, 4E95), (4EE1, 5001), (5025, 5035), (5031, 5041), (5035, 5045), (5057, 5067), (5067, 5077), (5085, 5095), (511E, 512E), (512E, 513E), (5145, 5155), (5155, 5165), (5201, 5211), (521E, 522E), (525E, 526E), (5261, 5271), (5285, 5295), (5317, 5327), (5375, 5385), (5397, 53X7), (53E5, 5405), (540E, 541E), (5455, 5465), (547E, 548E), (54X1, 54E1), (5527, 5537), (554E, 555E), (5551, 5561), (5585, 5595), (558E, 559E), (559E, 55XE), (5615, 5625), (562E, 563E), (5681, 5691), (5697, 56X7), (56X7, 56E7), (5701, 5711), (5725, 5735), (5761, 5771), (57X1, 57E1), (57EE, 580E), (5821, 5831), (583E, 584E), (5857, 5867), (5867, 5877), (58E5, 5905), (59XE, 59EE), (59EE, 5X0E), (5X0E, 5X1E), (5X17, 5X27), (5X4E, 5X5E), (5X5E, 5X6E), (5X75, 5X85), (5X85, 5X95), (5XXE, 5XEE), (5E1E, 5E2E), (5E2E, 5E3E), (5E55, 5E65), (5E65, 5E75), (5E81, 5E91), (5E8E, 5E9E), (5EE1, 6001), (609E, 60XE), (60E1, 6101), (6165, 6175), (6175, 6185), (6197, 61X7), (61X7, 61E7), (61E7, 6207), (6247, 6257), (633E, 634E), (6377, 6387), (63E5, 6405), (6487, 6497), (6495, 64X5), (6497, 64X7), (64X7, 64E7), (6527, 6537), (6551, 6561), (655E, 656E), (6561, 6571), (6607, 6617), (6625, 6635), (6647, 6657), (6657, 6667), (6671, 6681), (671E, 672E), (672E, 673E), (677E, 678E), (6797, 67X7), (6885, 6895), (6911, 6921), (6921, 6931), (6947, 6957), (6957, 6967), (6995, 69X5), (69X5, 69E5), (69E5, 6X05), (6X11, 6X21), (6X17, 6X27), (6X75, 6X85), (6X9E, 6XXE), (6XE1, 6E01), (6E07, 6E17), (6E15, 6E25), (6E71, 6E81), (7001, 7011), (7005, 7015), (700E, 701E), (7045, 7055), (70XE, 70EE), (70EE, 710E), (7101, 7111), (710E, 711E), (7125, 7135), (7131, 7141), (7141, 7151), (71E7, 7207), (7215, 7225), (7221, 7231), (7231, 7241), (727E, 728E), (728E, 729E), (72EE, 730E), (7311, 7321), (7341, 7351), (7351, 7361), (7361, 7371), (7395, 73X5), (739E, 73XE), (73XE, 73EE), (74E5, 7505), (7511, 7521), (7521, 7531), (756E, 757E), (7577, 7587), (757E, 758E), (75X5, 75E5), (7607, 7617), (7665, 7675), (7705, 7715), (7737, 7747), (773E, 774E), (7747, 7757), (7757, 7767), (7795, 77X5), (77X5, 77E5), (7841, 7851), (7867, 7877), (7907, 7917), (794E, 795E), (7955, 7965), (797E, 798E), (7XE1, 7E01), (7XEE, 7E0E), (7E01, 7E11), (7E15, 7E25), (7E25, 7E35), (7E27, 7E37), (7E5E, 7E6E), (8005, 8015), (8065, 8075), (8081, 8091), (8125, 8135), (8127, 8137), (8187, 8197), (8321, 8331), (83E1, 8401), (8407, 8417), (840E, 841E), (8417, 8427), (8431, 8441), (8441, 8451), (84E5, 8505), (8505, 8515), (8507, 8517), (8565, 8575), (856E, 857E), (8595, 85X5), (8645, 8655), (864E, 865E), (865E, 866E), (8667, 8677), (866E, 867E), (86EE, 870E), (872E, 873E), (873E, 874E), (878E, 879E), (87X5, 87E5), (8871, 8881), (8915, 8925), (8925, 8935), (8935, 8945), (8957, 8967), (89E7, 8X07), (8X11, 8X21), (8X1E, 8X2E), (8X37, 8X47), (8X47, 8X57), (8X71, 8X81), (8X81, 8X91), (8XE5, 8E05), (8E17, 8E27), (8E27, 8E37), (8E45, 8E55), (9015, 9025), (9047, 9057), (9065, 9075), (9081, 9091), (9097, 90X7), (909E, 90XE), (9127, 9137), (9135, 9145), (9145, 9155), (9155, 9165), (917E, 918E), (9185, 9195), (9231, 9241), (9241, 9251), (9251, 9261), (9257, 9267), (929E, 92XE), (9361, 9371), (9365, 9375), (938E, 939E), (93EE, 940E), (9475, 9485), (9565, 9575), (9581, 9591), (9605, 9615), (9655, 9665), (9701, 9711), (973E, 974E), (974E, 975E), (9775, 9785), (9785, 9795), (97XE, 97EE), (9821, 9831), (9837, 9847), (988E, 989E), (98X7, 98E7), (991E, 992E), (9935, 9945), (996E, 997E), (99E1, 9X01), (9X25, 9X35), (9X31, 9X41), (9X41, 9X51), (9E47, 9E57), (X035, X045), (X081, X091), (X091, X0X1), (X0E7, X107), (X107, X117), (X13E, X14E), (X145, X155), (X161, X171), (X197, X1X7), (X201, X211), (X225, X235), (X275, X285), (X285, X295), (X321, X331), (X331, X341), (X397, X3X7), (X3X7, X3E7), (X3E7, X407), (X42E, X43E), (X445, X455), (X447, X457), (X487, X497), (X4X1, X4E1), (X53E, X54E), (X541, X551), (X565, X575), (X59E, X5XE), (X5X1, X5E1), (X5XE, X5EE), (X621, X631), (X647, X657), (X657, X667), (X661, X671), (X695, X6X5), (X701, X711), (X711, X721), (X735, X745), (X745, X755), (X767, X777), (X795, X7X5), (X7E7, X807), (X807, X817), (X841, X851), (X891, X8X1), (X987, X997), (X9X5, X9E5), (X9EE, XX0E), (XX0E, XX1E), (XE2E, XE3E), (XE6E, XE7E), (XEE5, E005), (E051, E061), (E147, E157), (E157, E167), (E171, E181), (E1E5, E205), (E26E, E27E), (E27E, E28E), (E2X1, E2E1), (E2X5, E2E5), (E2E1, E301), (E315, E325), (E327, E337), (E331, E341), (E341, E351), (E377, E387), (E385, E395), (E39E, E3XE), (E3XE, E3EE), (E411, E421), (E487, E497), (E495, E4X5), (E4EE, E50E), (E50E, E51E), (E51E, E52E), (E561, E571), (E595, E5X5), (E655, E665), (E665, E675), (E675, E685), (E68E, E69E), (E6E7, E707), (E72E, E73E), (E761, E771), (E771, E781), (E785, E795), (E7E1, E801), (E801, E811), (E84E, E85E), (E875, E885), (E931, E941), (E937, E947), (E945, E955), (E97E, E98E), (E9X7, E9E7), (EX51, EX61), (EX61, EX71), (EX87, EX97), (EE07, EE17), (EE2E, EE3E), (EE75, EE85), (EE97, EEX7), (EEX7, EEE7), (EEE7, 10007), ...

(p, p+20) (viginty primes): (5, 25), (7, 27), (11, 31), (15, 35), (17, 37), (1E, 3E), (25, 45), (31, 51), (37, 57), (3E, 5E), (4E, 6E), (61, 81), (67, 87), (6E, 8E), (75, 95), (87, X7), (8E, XE), (95, E5), (X7, 107), (E7, 117), (105, 125), (111, 131), (11E, 13E), (125, 145), (147, 167), (16E, 18E), (175, 195), (17E, 19E), (195, 1E5), (1X5, 205), (1E7, 217), (205, 225), (217, 237), (221, 241), (251, 271), (25E, 27E), (271, 291), (291, 2E1), (2X1, 301), (2XE, 30E), (301, 321), (307, 327), (30E, 32E), (327, 347), (32E, 34E), (33E, 35E), (357, 377), (377, 397), (397, 3E7), (3XE, 40E), (3E5, 415), (401, 421), (415, 435), (427, 447), (435, 455), (437, 457), (465, 485), (46E, 48E), (485, 4X5), (4E1, 511), (4EE, 51E), (507, 527), (511, 531), (545, 565), (557, 577), (565, 585), (591, 5E1), (59E, 5EE), (5E1, 611), (5E5, 615), (5E7, 617), (5EE, 61E), (617, 637), (61E, 63E), (655, 675), (66E, 68E), (675, 695), (687, 6X7), (6E1, 711), (701, 721), (727, 747), (747, 767), (751, 771), (771, 791), (7X1, 801), (80E, 82E), (835, 855), (851, 871), (88E, 8XE), (8X5, 905), (8X7, 907), (8XE, 90E), (901, 921), (907, 927), (987, 9X7), (995, 9E5), (9X7, X07), (9XE, X0E), (9E1, X11), (X07, X27), (X17, X37), (X3E, X5E), (X4E, X6E), (X87, XX7), (X9E, XEE), (XEE, E1E), (E11, E31), (E25, E45), (E71, E91), (E95, EE5), (E97, EE7), (EX5, 1005), (EE7, 1017), (1021, 1041), (1027, 1047), (1041, 1061), (104E, 106E), (107E, 109E), (109E, 10EE), (1105, 1125), (1115, 1135), (112E, 114E), (1165, 1185), (1185, 11X5), (118E, 11XE), (1197, 11E7), (11X1, 1201), (11XE, 120E), (1211, 1231), (121E, 123E), (123E, 125E), (125E, 127E), (1261, 1281), (1281, 12X1), (1295, 12E5), (12X1, 1301), (1317, 1337), (1345, 1365), (136E, 138E), (1391, 13E1), (1395, 13E5), (13X7, 1407), (1405, 1425), (1425, 1445), (1437, 1457), (1445, 1465), (1475, 1495), (147E, 149E), (1495, 14E5), (149E, 14EE), (1601, 1621), (1615, 1635), (1635, 1655), (1647, 1667), (1657, 1677), (165E, 167E), (1677, 1697), (167E, 169E), (1681, 16X1), (1697, 16E7), (16E5, 1715), (1715, 1735), (1727, 1747), (1735, 1755), (176E, 178E), (1781, 17X1), (1785, 17X5), (17EE, 181E), (181E, 183E), (184E, 186E), (189E, 18EE), (1911, 1931), (19E7, 1X17), (19EE, 1X1E), (1X51, 1X71), (1XXE, 1E0E), (1XE7, 1E17), (1E07, 1E27), (1E0E, 1E2E), (1E2E, 1E4E), (1E65, 1E85), (1EX1, 2001), (200E, 202E), (2051, 2071), (2065, 2085), (2077, 2097), (2085, 20X5), (2087, 20X7), (20X7, 2107), (20E5, 2115), (2107, 2127), (2111, 2131), (2161, 2181), (2165, 2185), (2191, 21E1), (2221, 2241), (222E, 224E), (2245, 2265), (2267, 2287), (2291, 22E1), (2317, 2337), (2327, 2347), (232E, 234E), (2347, 2367), (2385, 23X5), (2397, 23E7), (23E7, 2417), (2415, 2435), (2481, 24X1), (2485, 24X5), (24X1, 2501), (2501, 2521), (2535, 2555), (2537, 2557), (2545, 2565), (256E, 258E), (2581, 25X1), (2617, 2637), (2625, 2645), (2645, 2665), (2665, 2685), (2687, 26X7), (26E5, 2715), (2717, 2737), (2725, 2745), (274E, 276E), (2787, 27X7), (27E1, 2811), (2827, 2847), (2835, 2855), (285E, 287E), (2907, 2927), (2931, 2951), (2935, 2955), (2X11, 2X31), (2X1E, 2X3E), (2X31, 2X51), (2X3E, 2X5E), (2X61, 2X81), (2X77, 2X97), (2X87, 2XX7), (2E31, 2E51), (2E8E, 2EXE), (3021, 3041), (3045, 3065), (3075, 3095), (307E, 309E), (30X5, 3105), (30E7, 3117), (3155, 3175), (3167, 3187), (3171, 3191), (3175, 3195), (3177, 3197), (3205, 3225), (3207, 3227), (320E, 322E), (3227, 3247), (322E, 324E), (3271, 3291), (3307, 3327), (3337, 3357), (3345, 3365), (3365, 3385), (3385, 33X5), (341E, 343E), (3457, 3477), (346E, 348E), (3481, 34X1), (349E, 34EE), (34EE, 351E), (356E, 358E), (35X5, 3605), (35E7, 3617), (3617, 3637), (3635, 3655), (36X5, 3705), (3705, 3725), (3747, 3767), (375E, 377E), (3771, 3791), (377E, 379E), (378E, 37XE), (37E5, 3815), (3801, 3821), (3807, 3827), (3831, 3851), (3851, 3871), (3877, 3897), (3895, 38E5), (3941, 3961), (3957, 3977), (3961, 3981), (3X11, 3X31), (3X47, 3X67), (3X71, 3X91), (3X95, 3XE5), (3E0E, 3E2E), (3E2E, 3E4E), (3E55, 3E75), (3E97, 3EE7), (402E, 404E), (403E, 405E), (4047, 4067), (4055, 4075), (408E, 40XE), (411E, 413E), (413E, 415E), (415E, 417E), (41XE, 420E), (4211, 4231), (4217, 4237), (4225, 4245), (426E, 428E), (4281, 42X1), (428E, 42XE), (4291, 42E1), (4321, 4341), (4341, 4361), (4375, 4395), (4395, 43E5), (440E, 442E), (4425, 4445), (442E, 444E), (4441, 4461), (4451, 4471), (445E, 447E), (447E, 449E), (4515, 4535), (4557, 4577), (455E, 457E), (4571, 4591), (4615, 4635), (4635, 4655), (4645, 4665), (4665, 4685), (4685, 46X5), (468E, 46XE), (4707, 4727), (4761, 4781), (4805, 4825), (481E, 483E), (4825, 4845), (484E, 486E), (486E, 488E), (4887, 48X7), (4901, 4921), (490E, 492E), (4947, 4967), (4951, 4971), (4955, 4975), (4967, 4987), (4971, 4991), (49X1, 4X01), (4X01, 4X21), (4X0E, 4X2E), (4X57, 4X77), (4X5E, 4X7E), (4X77, 4X97), (4E15, 4E35), (4E37, 4E57), (4E65, 4E85), (4E87, 4EX7), (4EX7, 5007), (5025, 5045), (5041, 5061), (5057, 5077), (5061, 5081), (5081, 50X1), (50E7, 5117), (50EE, 511E), (511E, 513E), (5145, 5165), (5147, 5167), (5167, 5187), (5297, 52E7), (52E7, 5317), (5327, 5347), (5331, 5351), (5347, 5367), (5351, 5371), (5355, 5375), (5371, 5391), (53XE, 540E), (5435, 5455), (5487, 54X7), (5531, 5551), (5545, 5565), (5565, 5585), (5567, 5587), (558E, 55XE), (5595, 55E5), (55E5, 5615), (5697, 56E7), (5741, 5761), (575E, 577E), (577E, 579E), (579E, 57EE), (57E7, 5817), (5835, 5855), (5857, 5877), (5877, 5897), (5897, 58E7), (5911, 5931), (5985, 59X5), (59XE, 5X0E), (59E1, 5X11), (59EE, 5X1E), (5X4E, 5X6E), (5X75, 5X95), (5XEE, 5E1E), (5E17, 5E37), (5E1E, 5E3E), (5E55, 5E75), (5E75, 5E95), (5E91, 5EE1), (6051, 6071), (6055, 6075), (6071, 6091), (607E, 609E), (6091, 60E1), (6165, 6185), (617E, 619E), (6197, 61E7), (61X7, 6207), (6207, 6227), (620E, 622E), (6227, 6247), (6245, 6265), (6261, 6281), (6331, 6351), (634E, 636E), (6357, 6377), (6405, 6425), (642E, 644E), (644E, 646E), (6487, 64X7), (6497, 64E7), (64X5, 6505), (6505, 6525), (6551, 6571), (6571, 6591), (6647, 6667), (6681, 66X1), (66E5, 6715), (671E, 673E), (673E, 675E), (6757, 6777), (675E, 677E), (6777, 6797), (67X7, 6807), (6807, 6827), (6861, 6881), (6865, 6885), (6895, 68E5), (68E5, 6915), (6911, 6931), (6947, 6967), (6995, 69E5), (699E, 69EE), (69X5, 6X05), (69EE, 6X1E), (6X27, 6X47), (6X47, 6X67), (6X7E, 6X9E), (6X85, 6XX5), (6E2E, 6E4E), (6E81, 6EX1), (6EX1, 7001), (701E, 703E), (708E, 70XE), (70XE, 710E), (70EE, 711E), (7111, 7131), (7131, 7151), (716E, 718E), (71E5, 7215), (7221, 7241), (7225, 7245), (7241, 7261), (7275, 7295), (727E, 729E), (7287, 72X7), (729E, 72EE), (72E1, 7311), (7321, 7341), (7341, 7361), (7351, 7371), (7371, 7391), (739E, 73EE), (7415, 7435), (7421, 7441), (7457, 7477), (7471, 7491), (74X7, 7507), (7511, 7531), (7565, 7585), (756E, 758E), (7585, 75X5), (75EE, 761E), (7617, 7637), (761E, 763E), (7641, 7661), (76EE, 771E), (771E, 773E), (7737, 7757), (7747, 7767), (774E, 776E), (7795, 77E5), (7817, 7837), (7855, 7875), (7905, 7925), (7921, 7941), (795E, 797E), (798E, 79XE), (79X1, 7X01), (7X15, 7X35), (7X27, 7X47), (7XE1, 7E11), (7E07, 7E27), (7E15, 7E35), (7E65, 7E85), (7EX7, 8007), (802E, 804E), (8045, 8065), (8047, 8067), (804E, 806E), (806E, 808E), (8135, 8155), (8155, 8175), (8175, 8195), (8197, 81E7), (8231, 8251), (8235, 8255), (8251, 8271), (8271, 8291), (833E, 835E), (8357, 8377), (83XE, 840E), (8407, 8427), (841E, 843E), (8431, 8451), (8467, 8487), (849E, 84EE), (84E1, 8511), (84E5, 8515), (8571, 8591), (8575, 8595), (860E, 862E), (8621, 8641), (8625, 8645), (862E, 864E), (864E, 866E), (865E, 867E), (8691, 86E1), (86E7, 8717), (870E, 872E), (872E, 874E), (8777, 8797), (8865, 8885), (8885, 88X5), (888E, 88XE), (88XE, 890E), (8915, 8935), (8925, 8945), (8961, 8981), (8981, 89X1), (89EE, 8X1E), (8X21, 8X41), (8X37, 8X57), (8X71, 8X91), (8X7E, 8X9E), (8X95, 8XE5), (8E17, 8E37), (8E2E, 8E4E), (8E55, 8E75), (8E9E, 8EEE), (9007, 9027), (9027, 9047), (9057, 9077), (9077, 9097), (907E, 909E), (9135, 9155), (9145, 9165), (915E, 917E), (9165, 9185), (9231, 9251), (9241, 9261), (9261, 9281), (9341, 9361), (9367, 9387), (936E, 938E), (9375, 9395), (9387, 93X7), (939E, 93EE), (9455, 9475), (9485, 94X5), (94X1, 9501), (9557, 9577), (960E, 962E), (9631, 9651), (9695, 96E5), (973E, 975E), (9761, 9781), (9775, 9795), (984E, 986E), (986E, 988E), (9927, 9947), (9947, 9967), (9997, 99E7), (99E7, 9X17), (9X31, 9X51), (9X51, 9X71), (9X85, 9XX5), (9X8E, 9XXE), (9E1E, 9E3E), (9E27, 9E47), (9E3E, 9E5E), (9E5E, 9E7E), (X011, X031), (X031, X051), (X03E, X05E), (X067, X087), (X081, X0X1), (X095, X0E5), (X0E7, X117), (X117, X137), (X137, X157), (X205, X225), (X227, X247), (X275, X295), (X277, X297), (X297, X2E7), (X301, X321), (X321, X341), (X35E, X37E), (X397, X3E7), (X3X7, X407), (X485, X4X5), (X4E1, X511), (X581, X5X1), (X59E, X5EE), (X647, X667), (X671, X691), (X675, X695), (X6EE, X71E), (X701, X721), (X735, X755), (X7E7, X817), (X801, X821), (X821, X841), (X851, X871), (X871, X891), (X915, X935), (X951, X971), (X9EE, XX1E), (XX25, XX45), (XX45, XX65), (E005, E025), (E0XE, E10E), (E105, E125), (E127, E147), (E147, E167), (E151, E171), (E181, E1X1), (E211, E231), (E26E, E28E), (E28E, E2XE), (E2X1, E301), (E2X7, E307), (E2E5, E315), (E307, E327), (E331, E351), (E337, E357), (E357, E377), (E395, E3E5), (E39E, E3EE), (E4EE, E51E), (E50E, E52E), (E521, E541), (E541, E561), (E577, E597), (E597, E5E7), (E5E7, E617), (E615, E635), (E635, E655), (E655, E675), (E665, E685), (E685, E6X5), (E6X5, E705), (E707, E727), (E727, E747), (E761, E781), (E78E, E7XE), (E7E1, E811), (E815, E835), (E917, E937), (E925, E945), (E955, E975), (E987, E9X7), (EX2E, EX4E), (EX51, EX71), (EE3E, EE5E), (EE85, EEX5), (EE97, EEE7), (EEX7, 10007), ...

(p, p+2, p+6) prime triplets: (5, 7, E), (E, 11, 15), (15, 17, 1E), (35, 37, 3E), (85, 87, 8E), (8E, 91, 95), (13E, 141, 145), (16E, 171, 175), (21E, 221, 225), (24E, 251, 255), (325, 327, 32E), (455, 457, 45E), (585, 587, 58E), (5E5, 5E7, 5EE), (615, 617, 61E), (76E, 771, 775), (8X5, 8X7, 8XE), (905, 907, 90E), (9XE, 9E1, 9E5), (X35, X37, X3E), (X3E, X41, X45), (E1E, E21, E25), (10EE, 1101, 1105), (11X5, 11X7, 11XE), (1255, 1257, 125E), (1365, 1367, 136E), (138E, 1391, 1395), (1655, 1657, 165E), (167E, 1681, 1685), (1X6E, 1X71, 1X75), (2005, 2007, 200E), (205E, 2061, 2065), (215E, 2161, 2165), (2325, 2327, 232E), (2395, 2397, 239E), (247E, 2481, 2485), (2745, 2747, 274E), (2825, 2827, 282E), (292E, 2931, 2935), (2X2E, 2X31, 2X35), (2X5E, 2X61, 2X65), (303E, 3041, 3045), (3205, 3207, 320E), (3225, 3227, 322E), (332E, 3331, 3335), (3705, 3707, 370E), (3E4E, 3E51, 3E55), (4685, 4687, 468E), (481E, 4821, 4825), (491E, 4921, 4925), (496E, 4971, 4975), (4E35, 4E37, 4E3E), (5165, 5167, 516E), (555E, 5561, 5565), (5585, 5587, 558E), (5E8E, 5E91, 5E95), (604E, 6051, 6055), (6075, 6077, 607E), (656E, 6571, 6575), (6995, 6997, 699E), (700E, 7011, 7015), (7585, 7587, 758E), (7635, 7637, 763E), (7E0E, 7E11, 7E15), (7E65, 7E67, 7E6E), (8045, 8047, 804E), (8065, 8067, 806E), (8195, 8197, 819E), (8355, 8357, 835E), (856E, 8571, 8575), (9075, 9077, 907E), (912E, 9131, 9135), (9365, 9367, 936E), (936E, 9371, 9375), (944E, 9451, 9455), (9X2E, 9X31, 9X35), (X08E, X091, X095), (X535, X537, X53E), (X68E, X691, X695), (XE3E, XE41, XE45), (E2X5, E2X7, E2XE), (E2XE, E2E1, E2E5), (E69E, E6X1, E6X5), (EX25, EX27, EX2E), ...

(p, p+4, p+6) prime triplets: (7, E, 11), (11, 15, 17), (31, 35, 37), (57, 5E, 61), (81, 85, 87), (87, 8E, 91), (141, 145, 147), (167, 16E, 171), (1E1, 1E5, 1E7), (217, 21E, 221), (321, 325, 327), (431, 435, 437), (587, 58E, 591), (5E1, 5E5, 5E7), (611, 615, 617), (767, 76E, 771), (901, 905, 907), (9X7, 9XE, 9E1), (X07, X0E, X11), (X37, X3E, X41), (E67, E6E, E71), (E91, E95, E97), (1047, 104E, 1051), (10E7, 10EE, 1101), (1101, 1105, 1107), (11X1, 11X5, 11X7), (1257, 125E, 1261), (12X1, 12X5, 12X7), (1461, 1465, 1467), (1677, 167E, 1681), (1697, 169E, 16X1), (1751, 1755, 1757), (19E7, 19EE, 1X01), (1X71, 1X75, 1X77), (2001, 2005, 2007), (2007, 200E, 2011), (2287, 228E, 2291), (24X1, 24X5, 24X7), (2741, 2745, 2747), (2927, 292E, 2931), (3037, 303E, 3041), (3171, 3175, 3177), (3191, 3195, 3197), (3327, 332E, 3331), (3331, 3335, 3337), (33X1, 33X5, 33X7), (3957, 395E, 3961), (3E47, 3E4E, 3E51), (4207, 420E, 4211), (45X1, 45X5, 45X7), (4681, 4685, 4687), (4967, 496E, 4971), (4EX7, 4EXE, 4EE1), (5267, 526E, 5271), (5451, 5455, 5457), (54X1, 54X5, 54X7), (5561, 5565, 5567), (5E37, 5E3E, 5E41), (6071, 6075, 6077), (6521, 6525, 6527), (6X17, 6X1E, 6X21), (6E71, 6E75, 6E77), (7051, 7055, 7057), (71E1, 71E5, 71E7), (7637, 763E, 7641), (7E07, 7E0E, 7E11), (8041, 8045, 8047), (8511, 8515, 8517), (9077, 907E, 9081), (9127, 912E, 9131), (9131, 9135, 9137), (9361, 9365, 9367), (9367, 936E, 9371), (9447, 944E, 9451), (9627, 962E, 9631), (9E57, 9E5E, 9E61), (X087, X08E, X091), (X537, X53E, X541), (X5X7, X5XE, X5E1), (X717, X71E, X721), (X871, X875, X877), (XE41, XE45, XE47), (E147, E14E, E151), (E2X1, E2X5, E2X7), (E2X7, E2XE, E2E1), (E7X7, E7XE, E7E1), (E941, E945, E947), ...

(p, p+6, p+10) (sexy prime triplets): (5, E, 15), (7, 11, 17), (E, 15, 1E), (15, 1E, 25), (27, 31, 37), (35, 3E, 45), (3E, 45, 4E), (51, 57, 61), (57, 61, 67), (81, 87, 91), (85, 8E, 95), (107, 111, 117), (11E, 125, 12E), (16E, 175, 17E), (18E, 195, 19E), (195, 19E, 1X5), (1X7, 1E1, 1E7), (24E, 255, 25E), (267, 271, 277), (3X5, 3XE, 3E5), (40E, 415, 41E), (421, 427, 431), (427, 431, 437), (455, 45E, 465), (45E, 465, 46E), (507, 511, 517), (665, 66E, 675), (68E, 695, 69E), (76E, 775, 77E), (775, 77E, 785), (791, 797, 7X1), (825, 82E, 835), (855, 85E, 865), (8X5, 8XE, 8E5), (8E7, 901, 907), (955, 95E, 965), (9XE, 9E5, 9EE), (X07, X11, X17), (X35, X3E, X45), (X3E, X45, X4E), (E15, E1E, E25), (E1E, E25, E2E), (E61, E67, E71), (1011, 1017, 1021), (1017, 1021, 1027), (1041, 1047, 1051), (10E1, 10E7, 1101), (10E7, 1101, 1107), (1125, 112E, 1135), (1197, 11X1, 11X7), (1297, 12X1, 12X7), (13X1, 13X7, 13E1), (1457, 1461, 1467), (1461, 1467, 1471), (148E, 1495, 149E), (1667, 1671, 1677), (1671, 1677, 1681), (167E, 1685, 168E), (1697, 16X1, 16X7), (1747, 1751, 1757), (1815, 181E, 1825), (1865, 186E, 1875), (1XE1, 1XE7, 1E01), (1XE7, 1E01, 1E07), (2001, 2007, 2011), (205E, 2065, 206E), (2127, 2131, 2137), (21X7, 21E1, 21E7), (231E, 2325, 232E), (2325, 232E, 2335), (2395, 239E, 23X5), (239E, 23X5, 23XE), (247E, 2485, 248E), (26XE, 26E5, 26EE), (2737, 2741, 2747), (27X7, 27E1, 27E7), (2825, 282E, 2835), (2837, 2841, 2847), (292E, 2935, 293E), (2X2E, 2X35, 2X3E), (2X77, 2X81, 2X87), (2E51, 2E57, 2E61), (2E57, 2E61, 2E67), (3095, 309E, 30X5), (3145, 314E, 3155), (314E, 3155, 315E), (3167, 3171, 3177), (3187, 3191, 3197), (3191, 3197, 31X1), (31EE, 3205, 320E), (3271, 3277, 3281), (3321, 3327, 3331), (3327, 3331, 3337), (33X1, 33X7, 33E1), (3435, 343E, 3445), (3617, 3621, 3627), (3755, 375E, 3765), (379E, 37X5, 37XE), (37X5, 37XE, 37E5), (3821, 3827, 3831), (3827, 3831, 3837), (3E75, 3E7E, 3E85), (404E, 4055, 405E), (4207, 4211, 4217), (4425, 442E, 4435), (4475, 447E, 4485), (4635, 463E, 4645), (4677, 4681, 4687), (4815, 481E, 4825), (483E, 4845, 484E), (491E, 4925, 492E), (5057, 5061, 5067), (5085, 508E, 5095), (5261, 5267, 5271), (54X1, 54X7, 54E1), (5527, 5531, 5537), (5585, 558E, 5595), (558E, 5595, 559E), (5E1E, 5E25, 5E2E), (5E8E, 5E95, 5E9E), (6175, 617E, 6185), (61E7, 6201, 6207), (633E, 6345, 634E), (6797, 67X1, 67X7), (6995, 699E, 69X5), (69E5, 69EE, 6X05), (6X11, 6X17, 6X21), (6X17, 6X21, 6X27), (6X75, 6X7E, 6X85), (6X9E, 6XX5, 6XXE), (6E71, 6E77, 6E81), (7005, 700E, 7015), (700E, 7015, 701E), (728E, 7295, 729E), (7311, 7317, 7321), (7341, 7347, 7351), (7395, 739E, 73X5), (739E, 73X5, 73XE), (757E, 7585, 758E), (7607, 7611, 7617), (7665, 766E, 7675), (7757, 7761, 7767), (794E, 7955, 795E), (7955, 795E, 7965), (7E01, 7E07, 7E11), (7E5E, 7E65, 7E6E), (8065, 806E, 8075), (84E5, 84EE, 8505), (8507, 8511, 8517), (8565, 856E, 8575), (856E, 8575, 857E), (8645, 864E, 8655), (864E, 8655, 865E), (8957, 8961, 8967), (8X37, 8X41, 8X47), (8E45, 8E4E, 8E55), (9127, 9131, 9137), (9155, 915E, 9165), (917E, 9185, 918E), (9185, 918E, 9195), (9251, 9257, 9261), (9257, 9261, 9267), (9361, 9367, 9371), (9365, 936E, 9375), (938E, 9395, 939E), (9475, 947E, 9485), (9605, 960E, 9615), (9655, 965E, 9665), (9701, 9707, 9711), (996E, 9975, 997E), (99E1, 99E7, 9X01), (9X25, 9X2E, 9X35), (9X41, 9X47, 9X51), (X035, X03E, X045), (X081, X087, X091), (X13E, X145, X14E), (X145, X14E, X155), (X5X1, X5X7, X5E1), (X657, X661, X667), (X661, X667, X671), (X711, X717, X721), (X7E7, X801, X807), (E147, E151, E157), (E2X1, E2X7, E2E1), (E2X5, E2XE, E2E5), (E315, E31E, E325), (E327, E331, E337), (E331, E337, E341), (E3XE, E3E5, E3EE), (E411, E417, E421), (E771, E777, E781), (E785, E78E, E795), (E931, E937, E941), (E937, E941, E947), ...

(p, p+10, p+20) (dozeny prime triplets): (5, 15, 25), (7, 17, 27), (15, 25, 35), (17, 27, 37), (25, 35, 45), (3E, 4E, 5E), (4E, 5E, 6E), (75, 85, 95), (X7, E7, 107), (E7, 107, 117), (11E, 12E, 13E), (147, 157, 167), (16E, 17E, 18E), (17E, 18E, 19E), (195, 1X5, 1E5), (1X5, 1E5, 205), (291, 2X1, 2E1), (2X1, 2E1, 301), (2XE, 2EE, 30E), (32E, 33E, 34E), (33E, 34E, 35E), (427, 437, 447), (437, 447, 457), (507, 517, 527), (565, 575, 585), (655, 665, 675), (6E1, 701, 711), (701, 711, 721), (727, 737, 747), (8X5, 8E5, 905), (8X7, 8E7, 907), (9XE, 9EE, X0E), (X07, X17, X27), (X17, X27, X37), (X3E, X4E, X5E), (X4E, X5E, X6E), (X9E, XXE, XEE), (E11, E21, E31), (E95, EX5, EE5), (EX5, EE5, 1005), (1041, 1051, 1061), (1105, 1115, 1125), (1115, 1125, 1135), (1197, 11X7, 11E7), (125E, 126E, 127E), (1295, 12X5, 12E5), (1391, 13X1, 13E1), (147E, 148E, 149E), (1615, 1625, 1635), (1647, 1657, 1667), (1657, 1667, 1677), (167E, 168E, 169E), (1697, 16X7, 16E7), (16E5, 1705, 1715), (1735, 1745, 1755), (189E, 18XE, 18EE), (1911, 1921, 1931), (1XE7, 1E07, 1E17), (1E07, 1E17, 1E27), (1E2E, 1E3E, 1E4E), (2051, 2061, 2071), (2077, 2087, 2097), (2087, 2097, 20X7), (2317, 2327, 2337), (2327, 2337, 2347), (2385, 2395, 23X5), (2535, 2545, 2555), (2537, 2547, 2557), (2545, 2555, 2565), (256E, 257E, 258E), (2665, 2675, 2685), (2827, 2837, 2847), (285E, 286E, 287E), (2931, 2941, 2951), (2X1E, 2X2E, 2X3E), (2X77, 2X87, 2X97), (2X87, 2X97, 2XX7), (3167, 3177, 3187), (3177, 3187, 3197), (322E, 323E, 324E), (3271, 3281, 3291), (3457, 3467, 3477), (3481, 3491, 34X1), (3617, 3627, 3637), (3635, 3645, 3655), (377E, 378E, 379E), (378E, 379E, 37XE), (3X47, 3X57, 3X67), (3E0E, 3E1E, 3E2E), (402E, 403E, 404E), (403E, 404E, 405E), (4281, 4291, 42X1), (4291, 42X1, 42E1), (4425, 4435, 4445), (4441, 4451, 4461), (4451, 4461, 4471), (4635, 4645, 4655), (4645, 4655, 4665), (4805, 4815, 4825), (4887, 4897, 48X7), (4901, 4911, 4921), (490E, 491E, 492E), (4X57, 4X67, 4X77), (5025, 5035, 5045), (5057, 5067, 5077), (511E, 512E, 513E), (5145, 5155, 5165), (558E, 559E, 55XE), (5697, 56X7, 56E7), (5857, 5867, 5877), (59XE, 59EE, 5X0E), (59EE, 5X0E, 5X1E), (5X4E, 5X5E, 5X6E), (5X75, 5X85, 5X95), (5E1E, 5E2E, 5E3E), (5E55, 5E65, 5E75), (6165, 6175, 6185), (6197, 61X7, 61E7), (61X7, 61E7, 6207), (6487, 6497, 64X7), (6497, 64X7, 64E7), (6551, 6561, 6571), (6647, 6657, 6667), (671E, 672E, 673E), (6911, 6921, 6931), (6947, 6957, 6967), (6995, 69X5, 69E5), (69X5, 69E5, 6X05), (70XE, 70EE, 710E), (70EE, 710E, 711E), (7131, 7141, 7151), (7221, 7231, 7241), (727E, 728E, 729E), (7341, 7351, 7361), (7351, 7361, 7371), (739E, 73XE, 73EE), (7511, 7521, 7531), (756E, 757E, 758E), (7737, 7747, 7757), (7747, 7757, 7767), (7795, 77X5, 77E5), (7XE1, 7E01, 7E11), (7E15, 7E25, 7E35), (8407, 8417, 8427), (8431, 8441, 8451), (84E5, 8505, 8515), (864E, 865E, 866E), (865E, 866E, 867E), (872E, 873E, 874E), (8915, 8925, 8935), (8925, 8935, 8945), (8X37, 8X47, 8X57), (8X71, 8X81, 8X91), (8E17, 8E27, 8E37), (9135, 9145, 9155), (9145, 9155, 9165), (9231, 9241, 9251), (9241, 9251, 9261), (973E, 974E, 975E), (9775, 9785, 9795), (9X31, 9X41, 9X51), (X081, X091, X0X1), (X0E7, X107, X117), (X275, X285, X295), (X321, X331, X341), (X397, X3X7, X3E7), (X3X7, X3E7, X407), (X59E, X5XE, X5EE), (X647, X657, X667), (X701, X711, X721), (X735, X745, X755), (X7E7, X807, X817), (X9EE, XX0E, XX1E), (E147, E157, E167), (E26E, E27E, E28E), (E2X1, E2E1, E301), (E331, E341, E351), (E39E, E3XE, E3EE), (E4EE, E50E, E51E), (E50E, E51E, E52E), (E655, E665, E675), (E665, E675, E685), (E761, E771, E781), (E7E1, E801, E811), (EX51, EX61, EX71), (EE97, EEX7, EEE7), (EEX7, EEE7, 10007), ...

(p, p+2, p+6, p+8) prime quadruplets: (5, 7, E, 11), (E, 11, 15, 17), (85, 87, 8E, 91), (13E, 141, 145, 147), (585, 587, 58E, 591), (X35, X37, X3E, X41), (10EE, 1101, 1105, 1107), (1255, 1257, 125E, 1261), (1X6E, 1X71, 1X75, 1X77), (2005, 2007, 200E, 2011), (332E, 3331, 3335, 3337), (555E, 5561, 5565, 5567), (7635, 7637, 763E, 7641), (9075, 9077, 907E, 9081), (912E, 9131, 9135, 9137), (9365, 9367, 936E, 9371), (X535, X537, X53E, X541), (XE3E, XE41, XE45, XE47), (E2X5, E2X7, E2XE, E2E1), (101XE, 101E1, 101E5, 101E7), (10X7E, 10X81, 10X85, 10X87), (12785, 12787, 1278E, 12791), (16435, 16437, 1643E, 16441), (181E5, 181E7, 181EE, 18201), (21405, 21407, 2140E, 21411), (25865, 25867, 2586E, 25871), (2802E, 28031, 28035, 28037), (30545, 30547, 3054E, 30551), (32X8E, 32X91, 32X95, 32X97), (3426E, 34271, 34275, 34277), (35965, 35967, 3596E, 35971), (38865, 38867, 3886E, 38871), (3X14E, 3X151, 3X155, 3X157), (3XX95, 3XX97, 3XX9E, 3XXX1), (3EX55, 3EX57, 3EX5E, 3EX61), (4348E, 43491, 43495, 43497), (48755, 48757, 4875E, 48761), (4944E, 49451, 49455, 49457), (4X61E, 4X621, 4X625, 4X627), (53695, 53697, 5369E, 536X1), (5752E, 57531, 57535, 57537), (5904E, 59051, 59055, 59057), (5X875, 5X877, 5X87E, 5X881), (66485, 66487, 6648E, 66491), (6E515, 6E517, 6E51E, 6E521), (7701E, 77021, 77025, 77027), (7EX85, 7EX87, 7EX8E, 7EX91), (80675, 80677, 8067E, 80681), (83075, 83077, 8307E, 83081), (906EE, 90701, 90705, 90707), (94925, 94927, 9492E, 94931), (9532E, 95331, 95335, 95337), (9872E, 98731, 98735, 98737), (98965, 98967, 9896E, 98971), (X5955, X5957, X595E, X5961), (XX4X5, XX4X7, XX4XE, XX4E1), (E6XE5, E6XE7, E6XEE, E6E01), (E9045, E9047, E904E, E9051), (EE355, EE357, EE35E, EE361), (EE61E, EE621, EE625, EE627), ...

(p, p+4, p+6, p+X) prime quadruplets: (7, E, 11, 15), (11, 15, 17, 1E), (31, 35, 37, 3E), (81, 85, 87, 8E), (87, 8E, 91, 95), (167, 16E, 171, 175), (217, 21E, 221, 225), (321, 325, 327, 32E), (5E1, 5E5, 5E7, 5EE), (611, 615, 617, 61E), (767, 76E, 771, 775), (901, 905, 907, 90E), (9X7, 9XE, 9E1, 9E5), (X37, X3E, X41, X45), (10E7, 10EE, 1101, 1105), (11X1, 11X5, 11X7, 11XE), (1677, 167E, 1681, 1685), (2001, 2005, 2007, 200E), (2741, 2745, 2747, 274E), (2927, 292E, 2931, 2935), (3037, 303E, 3041, 3045), (3327, 332E, 3331, 3335), (3E47, 3E4E, 3E51, 3E55), (4681, 4685, 4687, 468E), (4967, 496E, 4971, 4975), (6071, 6075, 6077, 607E), (7E07, 7E0E, 7E11, 7E15), (8041, 8045, 8047, 804E), (9127, 912E, 9131, 9135), (9361, 9365, 9367, 936E), (9367, 936E, 9371, 9375), (9447, 944E, 9451, 9455), (X087, X08E, X091, X095), (E2X1, E2X5, E2X7, E2XE), (E2X7, E2XE, E2E1, E2E5), (10007, 1000E, 10011, 10015), (101E1, 101E5, 101E7, 101EE), (10401, 10405, 10407, 1040E), (10X81, 10X85, 10X87, 10X8E), (11411, 11415, 11417, 1141E), (11771, 11775, 11777, 1177E), (11807, 1180E, 11811, 11815), (11E47, 11E4E, 11E51, 11E55), (14071, 14075, 14077, 1407E), (14961, 14965, 14967, 1496E), (161E7, 161EE, 16201, 16205), (17367, 1736E, 17371, 17375), (17551, 17555, 17557, 1755E), (18687, 1868E, 18691, 18695), (18X07, 18X0E, 18X11, 18X15), (19E97, 19E9E, 19EX1, 19EX5), (1E487, 1E48E, 1E491, 1E495), (20391, 20395, 20397, 2039E), (206X1, 206X5, 206X7, 206XE), (21401, 21405, 21407, 2140E), (21407, 2140E, 21411, 21415), (21747, 2174E, 21751, 21755), (22621, 22625, 22627, 2262E), (25761, 25765, 25767, 2576E), (27651, 27655, 27657, 2765E), (28031, 28035, 28037, 2803E), (28371, 28375, 28377, 2837E), (2E301, 2E305, 2E307, 2E30E), (3X147, 3X14E, 3X151, 3X155), (3X831, 3X835, 3X837, 3X83E), (3XX71, 3XX75, 3XX77, 3XX7E), (3E557, 3E55E, 3E561, 3E565), (41E27, 41E2E, 41E31, 41E35), (43381, 43385, 43387, 4338E), (43487, 4348E, 43491, 43495), (44391, 44395, 44397, 4439E), (44477, 4447E, 44481, 44485), (44E11, 44E15, 44E17, 44E1E), (45561, 45565, 45567, 4556E), (458X1, 458X5, 458X7, 458XE), (46127, 4612E, 46131, 46135), (46181, 46185, 46187, 4618E), (47037, 4703E, 47041, 47045), (48171, 48175, 48177, 4817E), (48X91, 48X95, 48X97, 48X9E), (4X617, 4X61E, 4X621, 4X625), (4X907, 4X90E, 4X911, 4X915), (53011, 53015, 53017, 5301E), (53E97, 53E9E, 53EX1, 53EX5), (54231, 54235, 54237, 5423E), (54627, 5462E, 54631, 54635), (554X1, 554X5, 554X7, 554XE), (55587, 5558E, 55591, 55595), (555X7, 555XE, 555E1, 555E5), (56101, 56105, 56107, 5610E), (57081, 57085, 57087, 5708E), (577E7, 577EE, 57801, 57805), (58981, 58985, 58987, 5898E), (59EX1, 59EX5, 59EX7, 59EXE), (5E727, 5E72E, 5E731, 5E735), (61067, 6106E, 61071, 61075), (64837, 6483E, 64841, 64845), (65X77, 65X7E, 65X81, 65X85), (66E21, 66E25, 66E27, 66E2E), (6E517, 6E51E, 6E521, 6E525), (71897, 7189E, 718X1, 718X5), (73031, 73035, 73037, 7303E), (73631, 73635, 73637, 7363E), (74541, 74545, 74547, 7454E), (746E7, 746EE, 74701, 74705), (75E01, 75E05, 75E07, 75E0E), (7X731, 7X735, 7X737, 7X73E), (7XX97, 7XX9E, 7XXX1, 7XXX5), (7E321, 7E325, 7E327, 7E32E), (7EX87, 7EX8E, 7EX91, 7EX95), (80677, 8067E, 80681, 80685), (82E97, 82E9E, 82EX1, 82EX5), (837E1, 837E5, 837E7, 837EE), (84691, 84695, 84697, 8469E), (86E37, 86E3E, 86E41, 86E45), (88177, 8817E, 88181, 88185), (90357, 9035E, 90361, 90365), (92351, 92355, 92357, 9235E), (93017, 9301E, 93021, 93025), (94051, 94055, 94057, 9405E), (94X57, 94X5E, 94X61, 94X65), (95331, 95335, 95337, 9533E), (954X7, 954XE, 954E1, 954E5), (97087, 9708E, 97091, 97095), (98967, 9896E, 98971, 98975), (993E7, 993EE, 99401, 99405), (99X31, 99X35, 99X37, 99X3E), (9XX61, 9XX65, 9XX67, 9XX6E), (X3987, X398E, X3991, X3995), (X6251, X6255, X6257, X625E), (X7211, X7215, X7217, X721E), (X7X01, X7X05, X7X07, X7X0E), (X8381, X8385, X8387, X838E), (XX371, XX375, XX377, XX37E), (XX401, XX405, XX407, XX40E), (XX4X7, XX4XE, XX4E1, XX4E5), (XE311, XE315, XE317, XE31E), (E13X7, E13XE, E13E1, E13E5), (E3297, E329E, E32X1, E32X5), (E3637, E363E, E3641, E3645), (E3821, E3825, E3827, E382E), (E3EE7, E3EEE, E4001, E4005), (E4547, E454E, E4551, E4555), (E5867, E586E, E5871, E5875), (EE357, EE35E, EE361, EE365), ...

(p, p+6, p+10, p+16) (sexy prime quadruplets): (5, E, 15, 1E), (E, 15, 1E, 25), (35, 3E, 45, 4E), (51, 57, 61, 67), (18E, 195, 19E, 1X5), (421, 427, 431, 437), (455, 45E, 465, 46E), (76E, 775, 77E, 785), (X35, X3E, X45, X4E), (E15, E1E, E25, E2E), (1011, 1017, 1021, 1027), (10E1, 10E7, 1101, 1107), (1457, 1461, 1467, 1471), (1667, 1671, 1677, 1681), (1XE1, 1XE7, 1E01, 1E07), (231E, 2325, 232E, 2335), (2395, 239E, 23X5, 23XE), (2E51, 2E57, 2E61, 2E67), (3145, 314E, 3155, 315E), (3187, 3191, 3197, 31X1), (3321, 3327, 3331, 3337), (379E, 37X5, 37XE, 37E5), (3821, 3827, 3831, 3837), (5585, 558E, 5595, 559E), (6X11, 6X17, 6X21, 6X27), (7005, 700E, 7015, 701E), (7395, 739E, 73X5, 73XE), (794E, 7955, 795E, 7965), (8565, 856E, 8575, 857E), (8645, 864E, 8655, 865E), (917E, 9185, 918E, 9195), (9251, 9257, 9261, 9267), (X13E, X145, X14E, X155), (X657, X661, X667, X671), (E327, E331, E337, E341), (E931, E937, E941, E947), (10521, 10527, 10531, 10537), (115E5, 115EE, 11605, 1160E), (11E37, 11E41, 11E47, 11E51), (1318E, 13195, 1319E, 131X5), (13535, 1353E, 13545, 1354E), (1355E, 13565, 1356E, 13575), (154E7, 15501, 15507, 15511), (15887, 15891, 15897, 158X1), (1666E, 16675, 1667E, 16685), (198X1, 198X7, 198E1, 198E7), (20331, 20337, 20341, 20347), (20647, 20651, 20657, 20661), (2192E, 21935, 2193E, 21945), (25331, 25337, 25341, 25347), (27037, 27041, 27047, 27051), (27E41, 27E47, 27E51, 27E57), (28555, 2855E, 28565, 2856E), (2EEE5, 2EEEE, 30005, 3000E), (30X37, 30X41, 30X47, 30X51), (32031, 32037, 32041, 32047), (33X4E, 33X55, 33X5E, 33X65), (34607, 34611, 34617, 34621), (35351, 35357, 35361, 35367), (37855, 3785E, 37865, 3786E), (38X67, 38X71, 38X77, 38X81), (3971E, 39725, 3972E, 39735), (3X22E, 3X235, 3X23E, 3X245), (3X9X7, 3X9E1, 3X9E7, 3XX01), (3EXX5, 3EXXE, 3EXE5, 3EXEE), (40347, 40351, 40357, 40361), (40X3E, 40X45, 40X4E, 40X55), (427E1, 427E7, 42801, 42807), (43481, 43487, 43491, 43497), (43691, 43697, 436X1, 436X7), (43885, 4388E, 43895, 4389E), (449E7, 44X01, 44X07, 44X11), (46785, 4678E, 46795, 4679E), (47165, 4716E, 47175, 4717E), (47607, 47611, 47617, 47621), (5021E, 50225, 5022E, 50235), (5071E, 50725, 5072E, 50735), (50E81, 50E87, 50E91, 50E97), (51141, 51147, 51151, 51157), (52X47, 52X51, 52X57, 52X61), (54235, 5423E, 54245, 5424E), (5518E, 55195, 5519E, 551X5), (56E9E, 56EX5, 56EXE, 56EE5), (59227, 59231, 59237, 59241), (5991E, 59925, 5992E, 59935), (59XE7, 59E01, 59E07, 59E11), (5X035, 5X03E, 5X045, 5X04E), (5X745, 5X74E, 5X755, 5X75E), (5EE17, 5EE21, 5EE27, 5EE31), (60491, 60497, 604X1, 604X7), (61241, 61247, 61251, 61257), (63761, 63767, 63771, 63777), (68737, 68741, 68747, 68751), (69771, 69777, 69781, 69787), (6E581, 6E587, 6E591, 6E597), (74611, 74617, 74621, 74627), (751X5, 751XE, 751E5, 751EE), (79X8E, 79X95, 79X9E, 79XX5), (7X995, 7X99E, 7X9X5, 7X9XE), (7EX85, 7EX8E, 7EX95, 7EX9E), (83945, 8394E, 83955, 8395E), (84131, 84137, 84141, 84147), (88075, 8807E, 88085, 8808E), (8E10E, 8E115, 8E11E, 8E125), (90187, 90191, 90197, 901X1), (90515, 9051E, 90525, 9052E), (92665, 9266E, 92675, 9267E), (92955, 9295E, 92965, 9296E), (97077, 97081, 97087, 97091), (9E285, 9E28E, 9E295, 9E29E), (9E3X7, 9E3E1, 9E3E7, 9E401), (X412E, X4135, X413E, X4145), (X6297, X62X1, X62X7, X62E1), (X879E, X87X5, X87XE, X87E5), (X9235, X923E, X9245, X924E), (X9647, X9651, X9657, X9661), (XE19E, XE1X5, XE1XE, XE1E5), (E0521, E0527, E0531, E0537), (E1291, E1297, E12X1, E12X7), (E1661, E1667, E1671, E1677), (E8E15, E8E1E, E8E25, E8E2E), (EX265, EX26E, EX275, EX27E), ...

(p, p+10, p+20, p+30) (dozeny prime quadruplets): (5, 15, 25, 35), (7, 17, 27, 37), (15, 25, 35, 45), (3E, 4E, 5E, 6E), (X7, E7, 107, 117), (16E, 17E, 18E, 19E), (195, 1X5, 1E5, 205), (291, 2X1, 2E1, 301), (32E, 33E, 34E, 35E), (427, 437, 447, 457), (6E1, 701, 711, 721), (X07, X17, X27, X37), (X3E, X4E, X5E, X6E), (E95, EX5, EE5, 1005), (1105, 1115, 1125, 1135), (1647, 1657, 1667, 1677), (1XE7, 1E07, 1E17, 1E27), (2077, 2087, 2097, 20X7), (2317, 2327, 2337, 2347), (2535, 2545, 2555, 2565), (2X77, 2X87, 2X97, 2XX7), (3167, 3177, 3187, 3197), (377E, 378E, 379E, 37XE), (402E, 403E, 404E, 405E), (4281, 4291, 42X1, 42E1), (4441, 4451, 4461, 4471), (4635, 4645, 4655, 4665), (59XE, 59EE, 5X0E, 5X1E), (6197, 61X7, 61E7, 6207), (6487, 6497, 64X7, 64E7), (6995, 69X5, 69E5, 6X05), (70XE, 70EE, 710E, 711E), (7341, 7351, 7361, 7371), (7737, 7747, 7757, 7767), (864E, 865E, 866E, 867E), (8915, 8925, 8935, 8945), (9135, 9145, 9155, 9165), (9231, 9241, 9251, 9261), (X397, X3X7, X3E7, X407), (E4EE, E50E, E51E, E52E), (E655, E665, E675, E685), (EE97, EEX7, EEE7, 10007), (105X1, 105E1, 10601, 10611), (108E7, 10907, 10917, 10927), (10X5E, 10X6E, 10X7E, 10X8E), (113X1, 113E1, 11401, 11411), (11E41, 11E51, 11E61, 11E71), (13081, 13091, 130X1, 130E1), (1353E, 1354E, 1355E, 1356E), (1409E, 140XE, 140EE, 1410E), (14307, 14317, 14327, 14337), (1467E, 1468E, 1469E, 146XE), (1500E, 1501E, 1502E, 1503E), (15X01, 15X11, 15X21, 15X31), (16957, 16967, 16977, 16987), (17521, 17531, 17541, 17551), (17917, 17927, 17937, 17947), (183X5, 183E5, 18405, 18415), (19881, 19891, 198X1, 198E1), (1E247, 1E257, 1E267, 1E277), (1E537, 1E547, 1E557, 1E567), (1E9E5, 1EX05, 1EX15, 1EX25), (20491, 204X1, 204E1, 20501), (21581, 21591, 215X1, 215E1), (21741, 21751, 21761, 21771), (2190E, 2191E, 2192E, 2193E), (24327, 24337, 24347, 24357), (25925, 25935, 25945, 25955), (26485, 26495, 264X5, 264E5), (265E5, 26605, 26615, 26625), (26871, 26881, 26891, 268X1), (2906E, 2907E, 2908E, 2909E), (2993E, 2994E, 2995E, 2996E), (2X311, 2X321, 2X331, 2X341), (2EX3E, 2EX4E, 2EX5E, 2EX6E), (35331, 35341, 35351, 35361), (37915, 37925, 37935, 37945), (37E67, 37E77, 37E87, 37E97), (38E5E, 38E6E, 38E7E, 38E8E), (3929E, 392XE, 392EE, 3930E), (3E375, 3E385, 3E395, 3E3X5), (4019E, 401XE, 401EE, 4020E), (43E71, 43E81, 43E91, 43EX1), (4489E, 448XE, 448EE, 4490E), (45691, 456X1, 456E1, 45701), (45755, 45765, 45775, 45785), (4875E, 4876E, 4877E, 4878E), (4X3XE, 4X3EE, 4X40E, 4X41E), (4X885, 4X895, 4X8X5, 4X8E5), (4E1X1, 4E1E1, 4E201, 4E211), (501EE, 5020E, 5021E, 5022E), (50225, 50235, 50245, 50255), (50X8E, 50X9E, 50XXE, 50XEE), (51881, 51891, 518X1, 518E1), (52971, 52981, 52991, 529X1), (53667, 53677, 53687, 53697), (54635, 54645, 54655, 54665), (554XE, 554EE, 5550E, 5551E), (56EX5, 56EE5, 57005, 57015), (57051, 57061, 57071, 57081), (58617, 58627, 58637, 58647), (5936E, 5937E, 5938E, 5939E), (59597, 595X7, 595E7, 59607), (6055E, 6056E, 6057E, 6058E), (623E1, 62401, 62411, 62421), (6E045, 6E055, 6E065, 6E075), (73841, 73851, 73861, 73871), (749X7, 749E7, 74X07, 74X17), (75337, 75347, 75357, 75367), (76031, 76041, 76051, 76061), (761E1, 76201, 76211, 76221), (764X1, 764E1, 76501, 76511), (76E87, 76E97, 76EX7, 76EE7), (78E57, 78E67, 78E77, 78E87), (79705, 79715, 79725, 79735), (7X99E, 7X9XE, 7X9EE, 7XX0E), (83311, 83321, 83331, 83341), (83395, 833X5, 833E5, 83405), (845X7, 845E7, 84607, 84617), (85155, 85165, 85175, 85185), (87641, 87651, 87661, 87671), (87965, 87975, 87985, 87995), (8X227, 8X237, 8X247, 8X257), (8E947, 8E957, 8E967, 8E977), (904E5, 90505, 90515, 90525), (9421E, 9422E, 9423E, 9424E), (94787, 94797, 947X7, 947E7), (96257, 96267, 96277, 96287), (98945, 98955, 98965, 98975), (99577, 99587, 99597, 995X7), (9E3E1, 9E401, 9E411, 9E421), (X481E, X482E, X483E, X484E), (X7E07, X7E17, X7E27, X7E37), (X856E, X857E, X858E, X859E), (X9215, X9225, X9235, X9245), (X98E1, X9901, X9911, X9921), (XX935, XX945, XX955, XX965), (E0E3E, E0E4E, E0E5E, E0E6E), (EX26E, EX27E, EX28E, EX29E), ...

(p, p+2, p+6, p+8, p+10) prime quintuplets: (5, 7, E, 11, 15), (E, 11, 15, 17, 1E), (85, 87, 8E, 91, 95), (X35, X37, X3E, X41, X45), (9365, 9367, 936E, 9371, 9375), (E2X5, E2X7, E2XE, E2E1, E2E5), (101XE, 101E1, 101E5, 101E7, 101EE), (10X7E, 10X81, 10X85, 10X87, 10X8E), (21405, 21407, 2140E, 21411, 21415), (2802E, 28031, 28035, 28037, 2803E), (6E515, 6E517, 6E51E, 6E521, 6E525), (7EX85, 7EX87, 7EX8E, 7EX91, 7EX95), (80675, 80677, 8067E, 80681, 80685), (9532E, 95331, 95335, 95337, 9533E), (98965, 98967, 9896E, 98971, 98975), (XX4X5, XX4X7, XX4XE, XX4E1, XX4E5), (EE355, EE357, EE35E, EE361, EE365), (10E68E, 10E691, 10E695, 10E697, 10E69E), (1388X5, 1388X7, 1388XE, 1388E1, 1388E5), (149465, 149467, 14946E, 149471, 149475), (15504E, 155051, 155055, 155057, 15505E), (17221E, 172221, 172225, 172227, 17222E), (1X5235, 1X5237, 1X523E, 1X5241, 1X5245), (210295, 210297, 21029E, 2102X1, 2102X5), (21X535, 21X537, 21X53E, 21X541, 21X545), (266705, 266707, 26670E, 266711, 266715), (26693E, 266941, 266945, 266947, 26694E), (27X6XE, 27X6E1, 27X6E5, 27X6E7, 27X6EE), (31067E, 310681, 310685, 310687, 31068E), (32463E, 324641, 324645, 324647, 32464E), (3401E5, 3401E7, 3401EE, 340201, 340205), (3545EE, 354601, 354605, 354607, 35460E), (362E4E, 362E51, 362E55, 362E57, 362E5E), (3X2865, 3X2867, 3X286E, 3X2871, 3X2875), (4079XE, 4079E1, 4079E5, 4079E7, 4079EE), (413885, 413887, 41388E, 413891, 413895), (433875, 433877, 43387E, 433881, 433885), (436565, 436567, 43656E, 436571, 436575), (447625, 447627, 44762E, 447631, 447635), (48666E, 486671, 486675, 486677, 48667E), (4871X5, 4871X7, 4871XE, 4871E1, 4871E5), (4X489E, 4X48X1, 4X48X5, 4X48X7, 4X48XE), (501335, 501337, 50133E, 501341, 501345), (547795, 547797, 54779E, 5477X1, 5477X5), (551E75, 551E77, 551E7E, 551E81, 551E85), (556415, 556417, 55641E, 556421, 556425), (55EE25, 55EE27, 55EE2E, 55EE31, 55EE35), (5X5875, 5X5877, 5X587E, 5X5881, 5X5885), (63X745, 63X747, 63X74E, 63X751, 63X755), (65E115, 65E117, 65E11E, 65E121, 65E125), (78596E, 785971, 785975, 785977, 78597E), (78X285, 78X287, 78X28E, 78X291, 78X295), (79896E, 798971, 798975, 798977, 79897E), (7X2EE5, 7X2EE7, 7X2EEE, 7X3001, 7X3005), (7X5X3E, 7X5X41, 7X5X45, 7X5X47, 7X5X4E), (80998E, 809991, 809995, 809997, 80999E), (87022E, 870231, 870235, 870237, 87023E), (8X3535, 8X3537, 8X353E, 8X3541, 8X3545), (8E378E, 8E3791, 8E3795, 8E3797, 8E379E), (94E92E, 94E931, 94E935, 94E937, 94E93E), (98783E, 987841, 987845, 987847, 98784E), (X06885, X06887, X0688E, X06891, X06895), (X0E4E5, X0E4E7, X0E4EE, X0E501, X0E505), (X37E95, X37E97, X37E9E, X37EX1, X37EX5), (X5744E, X57451, X57455, X57457, X5745E), (XE7025, XE7027, XE702E, XE7031, XE7035), (E1098E, E10991, E10995, E10997, E1099E), (E13735, E13737, E1373E, E13741, E13745), (E4161E, E41621, E41625, E41627, E4162E), (E4E58E, E4E591, E4E595, E4E597, E4E59E), (E4E805, E4E807, E4E80E, E4E811, E4E815), (E535X5, E535X7, E535XE, E535E1, E535E5), ...

(p, p+4, p+6, p+X, p+10) prime quintuplets: (7, E, 11, 15, 17), (81, 85, 87, 8E, 91), (10E7, 10EE, 1101, 1105, 1107), (2001, 2005, 2007, 200E, 2011), (3327, 332E, 3331, 3335, 3337), (9127, 912E, 9131, 9135, 9137), (9361, 9365, 9367, 936E, 9371), (E2X1, E2X5, E2X7, E2XE, E2E1), (21401, 21405, 21407, 2140E, 21411), (3X147, 3X14E, 3X151, 3X155, 3X157), (43487, 4348E, 43491, 43495, 43497), (4X617, 4X61E, 4X621, 4X625, 4X627), (105281, 105285, 105287, 10528E, 105291), (10X3E1, 10X3E5, 10X3E7, 10X3EE, 10X401), (1138E1, 1138E5, 1138E7, 1138EE, 113901), (118941, 118945, 118947, 11894E, 118951), (145367, 14536E, 145371, 145375, 145377), (151007, 15100E, 151011, 151015, 151017), (1611X7, 1611XE, 1611E1, 1611E5, 1611E7), (1750E1, 1750E5, 1750E7, 1750EE, 175101), (182607, 18260E, 182611, 182615, 182617), (1872E1, 1872E5, 1872E7, 1872EE, 187301), (1X4247, 1X424E, 1X4251, 1X4255, 1X4257), (1X8051, 1X8055, 1X8057, 1X805E, 1X8061), (262761, 262765, 262767, 26276E, 262771), (2817E7, 2817EE, 281801, 281805, 281807), (2E6171, 2E6175, 2E6177, 2E617E, 2E6181), (338831, 338835, 338837, 33883E, 338841), (353267, 35326E, 353271, 353275, 353277), (3X32E7, 3X32EE, 3X3301, 3X3305, 3X3307), (3E2017, 3E201E, 3E2021, 3E2025, 3E2027), (4137X1, 4137X5, 4137X7, 4137XE, 4137E1), (423E17, 423E1E, 423E21, 423E25, 423E27), (436247, 43624E, 436251, 436255, 436257), (447621, 447625, 447627, 44762E, 447631), (45E5X1, 45E5X5, 45E5X7, 45E5XE, 45E5E1), (473797, 47379E, 4737X1, 4737X5, 4737X7), (478907, 47890E, 478911, 478915, 478917), (483901, 483905, 483907, 48390E, 483911), (490231, 490235, 490237, 49023E, 490241), (4E4027, 4E402E, 4E4031, 4E4035, 4E4037), (51EE17, 51EE1E, 51EE21, 51EE25, 51EE27), (53X647, 53X64E, 53X651, 53X655, 53X657), (595801, 595805, 595807, 59580E, 595811), (599471, 599475, 599477, 59947E, 599481), (6170E1, 6170E5, 6170E7, 6170EE, 617101), (63XX07, 63XX0E, 63XX11, 63XX15, 63XX17), (6474E7, 6474EE, 647501, 647505, 647507), (65E111, 65E115, 65E117, 65E11E, 65E121), (6625E1, 6625E5, 6625E7, 6625EE, 662601), (743281, 743285, 743287, 74328E, 743291), (747377, 74737E, 747381, 747385, 747387), (77X157, 77X15E, 77X161, 77X165, 77X167), (781581, 781585, 781587, 78158E, 781591), (7X2EE1, 7X2EE5, 7X2EE7, 7X2EEE, 7X3001), (806907, 80690E, 806911, 806915, 806917), (812X91, 812X95, 812X97, 812X9E, 812XX1), (82X647, 82X64E, 82X651, 82X655, 82X657), (847E81, 847E85, 847E87, 847E8E, 847E91), (88E757, 88E75E, 88E761, 88E765, 88E767), (8X2917, 8X291E, 8X2921, 8X2925, 8X2927), (905091, 905095, 905097, 90509E, 9050X1), (969E31, 969E35, 969E37, 969E3E, 969E41), (9E1707, 9E170E, 9E1711, 9E1715, 9E1717), (9E63E1, 9E63E5, 9E63E7, 9E63EE, 9E6401), (9E6EX1, 9E6EX5, 9E6EX7, 9E6EXE, 9E6EE1), (X230X1, X230X5, X230X7, X230XE, X230E1), (X29617, X2961E, X29621, X29625, X29627), (X30XE7, X30XEE, X30E01, X30E05, X30E07), (X31287, X3128E, X31291, X31295, X31297), (X51857, X5185E, X51861, X51865, X51867), (X8E921, X8E925, X8E927, X8E92E, X8E931), (X95141, X95145, X95147, X9514E, X95151), (E33431, E33435, E33437, E3343E, E33441), (E41617, E4161E, E41621, E41625, E41627), (E4E587, E4E58E, E4E591, E4E595, E4E597), (E76571, E76575, E76577, E7657E, E76581), (E923E1, E923E5, E923E7, E923EE, E92401), (EX4957, EX495E, EX4961, EX4965, EX4967), ...

(p, p+4, p+6, p+X, p+10, p+14) prime sextuplets: (7, E, 11, 15, 17, 1E), (81, 85, 87, 8E, 91, 95), (9361, 9365, 9367, 936E, 9371, 9375), (E2X1, E2X5, E2X7, E2XE, E2E1, E2E5), (21401, 21405, 21407, 2140E, 21411, 21415), (447621, 447625, 447627, 44762E, 447631, 447635), (65E111, 65E115, 65E117, 65E11E, 65E121, 65E125), (7X2EE1, 7X2EE5, 7X2EE7, 7X2EEE, 7X3001, 7X3005), (E41617, E4161E, E41621, E41625, E41627, E4162E), (E4E587, E4E58E, E4E591, E4E595, E4E597, E4E59E), ...

Largest known prime number Edit

The largest known prime is a Mersenne prime 223,7XE,125−1, it has 7,870,133 digits, and its value is 174,164,383,313,720,093,6E1,098, ... (7,870,0E3 other digits) ... ,997,379,395,52E,129,858,481,227 (the first 20 digits and the last 20 digits are shown).

Classes of prime numbers Edit

  • By formula:
    • Fermat primes: of the form 22n + 1
      • Generalized Fermat primes base b: of the form b2n + 1
    • Mersenne primes: of the form 2p − 1 with prime p
      • Generalized Mersenne primes (Generalized repunit primes) base b: of the form (bp − 1)/(b − 1)
    • Double Mersenne primes: of the form 22p − 1 − 1 with prime p
    • Wagstaff primes: of the form (2p + 1)/3 with odd prime p
      • Generalized Wagstaff primes base b: of the form (bp + 1)/(b + 1) with odd prime p
    • Factorial primes: of the form n! ± 1
    • Primorial primes: of the form p# ± 1 with prime p
    • Proth primes: of the form k×2n + 1 with odd k and 2n > k
      • Generalized Proth primes base b: of the form k×bn + 1 with k not divisible by b and bn > k
    • Riesel primes: of the form k×2n − 1 with odd k and 2n > k
      • Generalized Riesel primes base b: of the form k×bn − 1 with k not divisible by b and bn > k
    • Pythagorean primes: of the form 4n + 1 (i.e. end with 1 or 5)
    • Gaussian primes with no imaginary part: of the form 4n−1 (i.e. end with 3, 7 or E)
    • Eisenstein primes with no imaginary part: of the form 3n−1 (i.e. end with 2, 5 or E)
    • Pierpont primes: of the form 2m×3n + 1
    • Cullen primes: of the form n×2n + 1
      • Generalized Cullen primes base b: of the form n×bn + 1 with nb−1
    • Woodall primes: of the form n×2n − 1
      • Generalized Woodall primes base b: of the form n×bn − 1 with nb−1
  • By size:

The smallest titanic prime is 10EEE+X97, and there are only 26 known megaprimes and 2 known mega-PRPs (no beva-(probable) primes or above are known, in fact, even no primes or PRPs with at least 107 digits are known, the largest known prime has “only” 7,870,133 digits), the smallest known megaprime is 3×23,762,E96+1, it has 1,018,16E digits, this prime is found by the 321 project, it is a Proth prime and a Pierpont prime, besides, both of the two known mega-PRPs are Wagstaff PRPs (of the form (2n+1)/3), and the exponents n of them are 4,578,17E and 4,58X,897.


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