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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
6735863134717278 ~1984
6735977404158638 ~1985
6736117404167038 ~1985
6736319134726398 ~1984
6736333404179998 ~1985
6736451134729038 ~1984
6736727538938178 ~1986
6736739134734798 ~1984
6736841404210478 ~1985
6736859538948738 ~1986
67368591212634639
6736897404213838 ~1985
6737123134742478 ~1984
6737231134744638 ~1984
6737273404236398 ~1985
67372992290681679 ~1987
6737303134746078 ~1984
6737411134748238 ~1984
67374431077990899 ~1987
67374736333224639 ~1988
6737639134752798 ~1984
6737651539012098 ~1986
67377913907918799 ~1988
6737963134759278 ~1984
6738059134761198 ~1984
Exp. Prime Factor Digits Year
67380596603297839
6738373404302398 ~1985
6738631673863118 ~1986
6738899134777998 ~1984
6738971539117698 ~1986
6739151134783038 ~1984
6739451134789038 ~1984
67395731078331699 ~1987
6739751134795038 ~1984
67397713235090099 ~1988
6740141404408478 ~1985
6740171134803438 ~1984
6740189539215138 ~1986
6740197404411838 ~1985
6740297404417838 ~1985
67403871213269679 ~1987
6740399134807998 ~1984
6740443674044318 ~1986
6740473404428398 ~1985
6740819134816398 ~1984
6740819539265538
6740843134816878 ~1984
6740999134819998 ~1984
6741023134820478 ~1984
67413131483088879 ~1987
Exp. Prime Factor Digits Year
6741419134828398 ~1984
6741431134828638 ~1984
6741491134829838 ~1984
6741887539350978 ~1986
6742091134841838 ~1984
6742237404534238 ~1985
6742279674227918 ~1986
6742451134849038 ~1984
6742559134851198 ~1984
6742781404566878 ~1985
67430692022920719 ~1987
6743111134862238 ~1984
6743129944038078 ~1986
6743153404589198 ~1985
67431972022959119 ~1987
6743323674332318 ~1986
6743357404601438 ~1985
6743369539469538 ~1986
6743447539475778 ~1986
67436992157983699 ~1987
6743777404626638 ~1985
67440413776662979 ~1988
6744239134884798 ~1984
6744431134888638 ~1984
6744539134890798 ~1984
Exp. Prime Factor Digits Year
6744653404679198 ~1985
6744659134893198 ~1984
6744817404689038 ~1985
6744893782407588110 ~1991
6744973404698398 ~1985
6745169944323678 ~1986
6745261404715678 ~1985
6745301539624098 ~1986
6745439134908798 ~1984
6745709539656738 ~1986
6745811539664898 ~1986
6745943134918878 ~1984
6746219134924398 ~1984
6746231134924638 ~1984
67464611079433779 ~1987
6746819134936398 ~1984
6746819539745538
6746903134938078 ~1984
67471272294023199 ~1987
6747371134947438 ~1984
6747373404842398 ~1985
6747577404854638 ~1985
6747847184891007910 ~1990
6747899134957998 ~1984
6747959134959198 ~1984
819
GIMPS The Prime Pages FactorDb.com
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25-07-08