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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exp. Prime Factor Digits Year
2796337167780238 ~1982
27963612013379939 ~1985
2796397167783838 ~1982
2796509391511278 ~1983
2796587503385678 ~1984
2796617167797038 ~1982
279677955935597 ~1981
2796977223758178 ~1983
2797057167823438 ~1982
279721155944237 ~1981
2797259223780738 ~1983
2797373839211918 ~1984
279752355950477 ~1981
2797813167868798 ~1982
27978675875520719 ~1986
2797913167874798 ~1982
2797961167877678 ~1982
279817155963437 ~1981
2798233839469918 ~1984
279836355967277 ~1981
2798623447779698 ~1984
2798641167918478 ~1982
27986691511281279 ~1985
2798821167929278 ~1982
279896355979277 ~1981
Exp. Prime Factor Digits Year
27989898229027679 ~1987
2799037167942238 ~1982
2799103447856498 ~1984
2799151279915118 ~1983
2799397167963838 ~1982
2799539503917038 ~1984
2799607447937138 ~1984
2799661167979678 ~1982
2799733167983998 ~1982
2799733671935938
2799791120950971310 ~1987
2799829615962398 ~1984
27998332015879779 ~1985
2799893167993598 ~1982
279989955997997 ~1981
279991155998237 ~1981
2799977167998638 ~1982
2800051589690740710 ~1989
280007956001597 ~1981
280013956002797 ~1981
2800321168019278 ~1982
2800397224031778 ~1983
2800481168028878 ~1982
2800561448089778 ~1984
2800583896186578 ~1984
Exp. Prime Factor Digits Year
280088356017677 ~1981
2800921616202638 ~1984
280100356020077 ~1981
2801111224088898 ~1983
280121956024397 ~1981
2801273392178238 ~1983
2801287448205938 ~1984
280133956026797 ~1981
2801369672328578 ~1984
2801431504257598 ~1984
2801459224116738 ~1983
2801573168094398 ~1982
2801621840486318 ~1984
28016411120656419 ~1985
280178356035677 ~1981
2801921224153698 ~1983
2802013448322098 ~1984
280217956043597 ~1981
2802257168135438 ~1982
280231156046237 ~1981
280247956049597 ~1981
2802601168156078 ~1982
2802797224223778 ~1983
2802949616648798 ~1984
2802959224236738 ~1983
Exp. Prime Factor Digits Year
2803081616677838 ~1984
2803183448509298 ~1984
280325956065197 ~1981
28032911121316419 ~1985
2803399280339918 ~1983
280340356068077 ~1981
280351156070237 ~1981
28035191121407619 ~1985
2803637392509198 ~1983
2803639280363918 ~1983
2803663448586098 ~1984
280379956075997 ~1981
2803847504692478 ~1984
2803873448619698 ~1984
2804057168243438 ~1982
280459156091837 ~1981
280469956093997 ~1981
2804807224384578 ~1983
280483156096637 ~1981
280489156097837 ~1981
2805113168306798 ~1982
280525156105037 ~1981
280537156107437 ~1981
280544356108877 ~1981
2805497224439778 ~1983
475
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25-05-04