Twin primes of the form k*2^n+/-1
k<1M
k-value must have at least one twin prime where n > 10K
Started: Oct. 2, 2007
Last update: May 21, 2021
Compiled by Gary Barnes
| k | range of n tested | n is twin prime |
| 915 | 3M | 22, 25, 55, 70, 11455 |
| 3981 | 540K | 3, 13, 61, 13153 |
| 7485 | 50K | 12, 40, 57, 20023 |
| 10941 | 50K | 10601 |
| 14439 | 50K | 15, 55, 157, 17527 |
| 16491 | 100K | 107, 70151 |
| 31257 | 50K | 4, 18, 22312 |
| 34911 | 50K | 10929 |
| 44943 | 50K | 68, 13466 |
| 47553 | 50K | 36172 |
| 51315 | 50K | 19, 36, 32430 |
| 53889 | 50K | 5, 21, 93, 19817 |
| 56361 | 50K | 5, 18989 |
| 57201 | 50K | 3, 11493 |
| 62601 | 50K | 3, 11, 53, 36641 |
| 70497 | 50K | 27652 |
| 73005 | 50K | 1, 31, 12178 |
| 74193 | 50K | 2, 32, 68, 15770 |
| 77517 | 50K | 4, 22, 146, 17372 |
| 78045 | 50K | 11710 |
| 88269 | 50K | 17987 |
| 88665 | 50K | 5, 30, 107, 120, 15263 |
| 96321 | 50K | 17705 |
| 98067 | 50K | 2, 19742 |
| 101931 | 50K | 12147 |
| 103893 | 50K | 47122 |
| 107853 | 50K | 60, 10502 |
| 115059 | 50K | 7, 13, 19, 11607 |
| 118305 | 50K | 48, 10110 |
| 126423 | 50K | 2, 12, 36, 38, 39606 |
| 136857 | 50K | 11608 |
| 137025 | 50K | 13, 180, 210, 11090 |
| 138153 | 50K | 32, 16436 |
| 139941 | 50K | 3, 9, 81, 93, 141, 15089 |
| 143835 | 50K | 1, 88, 33826 |
| 151095 | 50K | 1, 9, 11, 38, 203, 11891 |
| 151881 | 50K | 9, 11181 |
| 158943 | 50K | 304, 12442 |
| 160815 | 50K | 95, 10500 |
| 163413 | 50K | 24, 154, 36936 |
| 164367 | 50K | 38, 54, 192, 16294 |
| 175161 | 50K | 11, 14171 |
| 177141 | 50K | 24365 |
| 182697 | 50K | 132, 26172 |
| 187089 | 50K | 10977 |
| 195045 | 50K | 20, 75, 21432 |
| 197109 | 50K | 9, 29, 49733 |
| 198417 | 50K | 6, 12, 27858 |
| 199905 | 50K | 2, 16808 |
| 201843 | 50K | 52, 37630 |
| 203595 | 50K | 2, 4, 6, 9, 61, 16284 |
| 210885 | 562K | 260, 16595 |
| 221193 | 50K | 34, 64, 19560 |
| 224847 | 50K | 4, 16, 39784 |
| 226359 | 50K | 87, 18193 |
| 226773 | 50K | 10, 20, 28, 10804 |
| 227547 | 50K | 16, 18, 10008 |
| 228015 | 50K | 11, 17, 27509 |
| 232179 | 50K | 33, 15671 |
| 237039 | 50K | 13179 |
| 237477 | 50K | 18360 |
| 248313 | 50K | 4, 118, 10552 |
| 249267 | 50K | 12284 |
| 249435 | 50K | 2, 56, 384, 30977 |
| 253575 | 50K | 1, 6, 25, 10896 |
| 257331 | 50K | 33, 19101 |
| 261045 | 50K | 2, 16204 |
| 268521 | 50K | 17, 23, 10187 |
| 272139 | 50K | 1, 21, 42379 |
| 282189 | 50K | 7, 13719 |
| 282891 | 50K | 7, 30309 |
| 284085 | 50K | 33, 10064 |
| 293445 | 50K | 3, 43, 27643 |
| 294723 | 50K | 18, 72, 27504 |
| 296139 | 50K | 36125 |
| 296649 | 50K | 14523 |
| 311541 | 50K | 45439 |
| 312981 | 50K | 5, 37697 |
| 315099 | 50K | 13625 |
| 315975 | 50K | 25, 12351 |
| 316455 | 50K | 12805 |
| 318969 | 50K | 1, 25, 10241 |
| 321525 | 50K | 343, 14852 |
| 335517 | 50K | 2, 64, 13630 |
| 338205 | 50K | 1, 35351 |
| 348429 | 50K | 11, 47961 |
| 358965 | 50K | 3, 48, 41653 |
| 373065 | 50K | 6, 23, 43, 177, 10027 |
| 377427 | 50K | 11338 |
| 383775 | 50K | 1, 7, 15, 27, 30279 |
| 390123 | 50K | 17198 |
| 392013 | 50K | 670, 10204 |
| 396213 | 50K | 46, 23672 |
| 403113 | 50K | 10484 |
| 411621 | 50K | 1, 17083 |
| 412155 | 50K | 23397 |
| 416013 | 50K | 14, 21600 |
| 424257 | 50K | 16, 17332 |
| 426951 | 50K | 1, 23, 11011 |
| 430521 | 50K | 3, 12515 |
| 440181 | 50K | 197, 23827 |
| 440685 | 50K | 6, 88, 31989 |
| 441201 | 50K | 43167 |
| 445569 | 50K | 3, 28353 |
| 448743 | 50K | 13298 |
| 451437 | 50K | 10, 14194 |
| 452637 | 50K | 21012 |
| 467517 | 50K | 100, 21782 |
| 472203 | 50K | 10998 |
| 482739 | 50K | 61, 12219 |
| 483411 | 50K | 16233 |
| 485349 | 50K | 12531 |
| 485853 | 50K | 2, 30, 42, 19518 |
| 486063 | 50K | 18, 11178 |
| 496155 | 50K | 15012 |
| 497595 | 50K | 2, 6, 8, 18, 10194 |
| 502773 | 50K | 20824 |
| 523851 | 50K | 1, 7, 30197 |
| 527517 | 50K | 48, 19524 |
| 530385 | 50K | 11476 |
| 548199 | 50K | 20299 |
| 549129 | 50K | 10213 |
| 556821 | 50K | 23, 37, 21089 |
| 564585 | 50K | 4, 16, 104, 10237 |
| 570237 | 50K | 38, 17274 |
| 577065 | 50K | 4, 25879 |
| 584319 | 50K | 1, 7, 13961 |
| 588207 | 50K | 6, 45036 |
| 591435 | 50K | 3, 28, 87, 12631 |
| 593445 | 50K | 8, 26084 |
| 597801 | 50K | 20539 |
| 599277 | 50K | 10680 |
| 599775 | 50K | 4, 5, 14, 12922 |
| 600291 | 50K | 1, 473, 10121 |
| 604329 | 50K | 40315 |
| 604635 | 50K | 12668 |
| 610521 | 50K | 14671 |
| 618213 | 50K | 2, 16, 19166 |
| 623841 | 50K | 12667 |
| 626937 | 50K | 41378 |
| 631119 | 50K | 35, 22987 |
| 637635 | 50K | 6, 27, 23365 |
| 645171 | 50K | 10617 |
| 649545 | 50K | 2, 8, 33398 |
| 656043 | 50K | 8, 10040 |
| 658365 | 50K | 14764 |
| 663531 | 50K | 19, 10519 |
| 669351 | 50K | 3, 10901 |
| 683145 | 50K | 1, 2, 38746 |
| 684507 | 50K | 10104 |
| 691401 | 50K | 20465 |
| 692715 | 50K | 3, 24073 |
| 694599 | 50K | 47, 48501 |
| 695427 | 50K | 10210 |
| 695793 | 50K | 17166 |
| 702801 | 50K | 7, 11137 |
| 703341 | 50K | 741, 4567, 12427 |
| 708561 | 50K | 5, 271, 21437 |
| 709425 | 50K | 56, 20025 |
| 712077 | 50K | 19030 |
| 716541 | 50K | 17507 |
| 735315 | 50K | 8, 77, 21308 |
| 737037 | 50K | 12856 |
| 738411 | 50K | 24021 |
| 743115 | 50K | 3, 6, 37404 |
| 745239 | 50K | 1, 20871 |
| 751833 | 50K | 37908 |
| 755253 | 50K | 6, 34, 160, 21046 |
| 763995 | 50K | 14233 |
| 766293 | 50K | 242, 27110 |
| 769737 | 50K | 12, 282, 2156, 11892 |
| 771975 | 50K | 37, 55, 11077 |
| 778113 | 50K | 17882 |
| 778143 | 50K | 28494 |
| 782361 | 50K | 5, 14621 |
| 789417 | 50K | 22, 40, 10078 |
| 794445 | 50K | 39370 |
| 806565 | 50K | 16517 |
| 813891 | 50K | 1, 7, 12097 |
| 814329 | 50K | 43, 21037 |
| 815751 | 50K | 29705 |
| 816939 | 50K | 42771 |
| 817785 | 50K | 158, 15764 |
| 820611 | 50K | 2875, 14641 |
| 831105 | 50K | 18, 43, 304, 1123, 15760 |
| 835335 | 50K | 8, 17, 27, 29, 39014 |
| 836499 | 50K | 13337 |
| 837837 | 50K | 10, 242, 14372 |
| 843753 | 50K | 70, 22222 |
| 852861 | 50K | 49195 |
| 880689 | 50K | 26041 |
| 892881 | 50K | 36075 |
| 894933 | 50K | 24, 10542 |
| 896685 | 50K | 5, 11, 46, 53, 14507 |
| 922713 | 50K | 47132 |
| 926073 | 50K | 2, 8, 13502 |
| 928629 | 50K | 11577 |
| 939015 | 50K | 27542 |
| 948729 | 50K | 17209 |
| 953337 | 50K | 28, 170, 28520 |
| 954723 | 50K | 10, 39492 |
| 959715 | 50K | 1, 11, 37, 34895 |
| 961479 | 50K | 22531 |
| 980043 | 50K | 8, 17542 |
| 983565 | 50K | 39, 247, 15987 |
| 998823 | 50K | 1356, 11254 |