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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
28766291575325838 ~1989
28766819575336398 ~1989
287669171726015039 ~1990
28767059575341198 ~1989
28767743575354878 ~1989
28767983575359678 ~1989
287694675178504079 ~1992
28769579575391598 ~1989
287697618630928319 ~1992
28770551575411038 ~1989
28771439575428798 ~1989
28771559575431198 ~1989
28772339575446798 ~1989
28772699575453998 ~1989
28772879575457598 ~1989
28773119575462398 ~1989
28773131575462638 ~1989
28773221207167191310 ~1993
28773323575466478 ~1989
28773551575471038 ~1989
28773743575474878 ~1989
28774043575480878 ~1989
28774643575492878 ~1989
287748611726491679 ~1990
28775759575515198 ~1989
Exponent Prime Factor Digits Year
28775819575516398 ~1989
28776119575522398 ~1989
28776457138126993710 ~1993
28776551575531038 ~1989
287766611726599679 ~1990
28776851575537038 ~1989
28777139575542798 ~1989
28777691575553838 ~1989
28777811120866806310 ~1992
287780211726681279 ~1990
28778111575562238 ~1989
28778219575564398 ~1989
287784411726706479 ~1990
28778471575569438 ~1989
28779143575582878 ~1989
28779203575584078 ~1989
28779323575586478 ~1989
287802611726815679 ~1990
28780331575606638 ~1989
28781099575621998 ~1989
28781723575634478 ~1989
287821011726926079 ~1990
287821131726926799 ~1990
287828571726971439 ~1990
28782863575657278 ~1989
Exponent Prime Factor Digits Year
28784159575683198 ~1989
287842075181157279 ~1992
28784579575691598 ~1989
287846832878468319 ~1991
28784999575699998 ~1989
287851792302814339 ~1991
28785803575716078 ~1989
287858512302868099 ~1991
28785899575717998 ~1989
28786343575726878 ~1989
28786403575728078 ~1989
28786883575737678 ~1989
28786991575739838 ~1989
28787123575742478 ~1989
28787243575744878 ~1989
28787351575747038 ~1989
28788143575762878 ~1989
287883774030372799 ~1991
28788443575768878 ~1989
28788983575779678 ~1989
287893931727363599 ~1990
28789451575789038 ~1989
28790423575808478 ~1989
28790759575815198 ~1989
28790903575818078 ~1989
Exponent Prime Factor Digits Year
28791299575825998 ~1989
28791923575838478 ~1989
28792079575841598 ~1989
287922294030912079 ~1991
28792763575855278 ~1989
28792931575858638 ~1989
28793879575877598 ~1989
287938992879389919 ~1991
28794299575885998 ~1989
28794383575887678 ~1989
287946596910718179 ~1992
28795163575903278 ~1989
28796279575925598 ~1989
28797011575940238 ~1989
28797071575941438 ~1989
28797239575944798 ~1989
28797479575949598 ~1989
28797683575953678 ~1989
287992372303938979 ~1991
287995392879953919 ~1991
28799951575999038 ~1989
288002811728016879 ~1990
288003131728018799 ~1990
28800671576013438 ~1989
28800923576018478 ~1989
1710
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25-06-29