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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.
Exponent Prime Factor Digits Year
40403123808062478 ~1990
40403999808079998 ~1990
40404779808095598 ~1990
40405559808111198 ~1990
404065332424391999 ~1992
40408463808169278 ~1990
40409123808182478 ~1990
404094012424564079 ~1992
40409651808193038 ~1990
40410023105066059910 ~1993
40410263808205278 ~1990
40412279808245598 ~1990
404124612424747679 ~1992
40415891808317838 ~1990
40416179808323598 ~1990
40416683808333678 ~1990
40416731808334638 ~1990
40417259808345198 ~1990
404201573233612579 ~1992
404203132425218799 ~1992
40421123808422478 ~1990
404216532425299199 ~1992
40421891808437838 ~1990
40424123808482478 ~1990
40425263808505278 ~1990
Exponent Prime Factor Digits Year
404258997276661839 ~1993
40427171808543438 ~1990
40427879808557598 ~1990
404285716468571379 ~1993
40429211808584238 ~1990
40429583808591678 ~1990
40429943808598878 ~1990
40430903388136668910 ~1995
404313172425879039 ~1992
40432751808655038 ~1990
40432841121298523110 ~1993
404338073234704579 ~1992
40433903808678078 ~1990
40434503808690078 ~1990
404349413234795299 ~1992
404353373234826979 ~1992
40436339808726798 ~1990
40437359808747198 ~1990
40439051808781038 ~1990
40439699808793998 ~1990
40441619808832398 ~1990
40441991808839838 ~1990
40442483808849678 ~1990
404454372426726239 ~1992
40446083808921678 ~1990
Exponent Prime Factor Digits Year
404464493235715939 ~1992
40446671808933438 ~1990
404471172426827039 ~1992
404471716471547379 ~1993
40450043809000878 ~1990
40451431234618299910 ~1994
40451903809038078 ~1990
40453499809069998 ~1990
40453571809071438 ~1990
404541293236330339 ~1992
40455419809108398 ~1990
40455697121367091110 ~1993
40455881323647048110 ~1994
40457159809143198 ~1990
40457591809151838 ~1990
40457831809156638 ~1990
404579412427476479 ~1992
40458083809161678 ~1990
40458179809163598 ~1990
40459571809191438 ~1990
40459823809196478 ~1990
40460039809200798 ~1990
40460111323680888110 ~1994
40460999809219998 ~1990
40461671809233438 ~1990
Exponent Prime Factor Digits Year
40461779809235598 ~1990
40462379809247598 ~1990
40462391809247838 ~1990
40462463809249278 ~1990
40463303809266078 ~1990
40464023809280478 ~1990
404644013237152099 ~1992
404652732427916399 ~1992
40466879809337598 ~1990
40467863809357278 ~1990
404694172428165039 ~1992
40469459809389198 ~1990
404699213237593699 ~1992
40470299809405998 ~1990
40470623809412478 ~1990
40471583809431678 ~1990
404717573237740579 ~1992
40473899809477998 ~1990
404748293237986339 ~1992
40476011809520238 ~1990
404772532428635199 ~1992
404774332428645999 ~1992
40478831809576638 ~1990
4047928913722478971112 ~1998
40480091809601838 ~1990
1959
GIMPS The Prime Pages FactorDb.com
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25-07-08