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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
40240163804803278 ~1990
402404332414425999 ~1992
40240631804812638 ~1990
40240703804814078 ~1990
40241039804820798 ~1990
402418332414509999 ~1992
40241843804836878 ~1990
402431873219454979 ~1992
40243211804864238 ~1990
40243631804872638 ~1990
40243739804874798 ~1990
40243883804877678 ~1990
402440412414642479 ~1992
40244723804894478 ~1990
40244843804896878 ~1990
402448876439181939 ~1993
40245539804910798 ~1990
40245659804913198 ~1990
40245661120736983110 ~1993
40245671804913438 ~1990
40246691804933838 ~1990
40246931804938638 ~1990
40246991804939838 ~1990
40247303804946078 ~1990
40247639804952798 ~1990
Exponent Prime Factor Digits Year
402476575634671999 ~1992
402484073219872579 ~1992
402489173219913379 ~1992
402494834024948319 ~1992
40249739804994798 ~1990
402498372245940904711 ~1996
40250123805002478 ~1990
40250351805007038 ~1990
402503513220028099
40250363805007278 ~1990
40250459805009198 ~1990
402510412415062479 ~1992
40252211805044238 ~1990
40253303805066078 ~1990
40254143805082878 ~1990
40254803805096078 ~1990
40255151805103038 ~1990
40255199805103998 ~1990
40255343805106878 ~1990
40255703805114078 ~1990
40255739805114798 ~1990
40255823805116478 ~1990
402559793220478339 ~1992
40256423805128478 ~1990
40256591805131838 ~1990
Exponent Prime Factor Digits Year
40257023805140478 ~1990
40259759805195198 ~1990
40259783805195678 ~1990
40260191805203838 ~1990
40260263805205278 ~1990
40260611805212238 ~1990
40260659805213198 ~1990
40260911805218238 ~1990
40261043805220878 ~1990
40261783136890062310 ~1993
40262819805256398 ~1990
40262951805259038 ~1990
40263059805261198 ~1990
40263791805275838 ~1990
40264043805280878 ~1990
40265003805300078 ~1990
402651674026516719 ~1992
40265471805309438 ~1990
40265999805319998 ~1990
40267057120801171110 ~1993
40267163805343278 ~1990
40267523805350478 ~1990
40268303805366078 ~1990
40268471805369438 ~1990
402684972416109839 ~1992
Exponent Prime Factor Digits Year
40268603805372078 ~1990
40268759805375198 ~1990
40269191805383838 ~1990
40269959805399198 ~1990
40270151805403038 ~1990
40271639805432798 ~1990
402728532416371199 ~1992
40272863805457278 ~1990
40272959805459198 ~1990
40273451805469038 ~1990
402736277249252879 ~1993
40273679805473598 ~1990
40274231805484638 ~1990
40274291805485838 ~1990
40274603805492078 ~1990
402749332416495999 ~1992
40275299805505998 ~1990
40275419805508398 ~1990
40275551805511038 ~1990
40275731805514638 ~1990
40276199805523998 ~1990
40276259805525198 ~1990
40276499805529998 ~1990
40276823805536478 ~1990
402770234027702319 ~1992
2152
GIMPS The Prime Pages FactorDb.com
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26-07-19