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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
12904631258092638 ~1987
129046434129485779 ~1989
12904693774281598 ~1988
12904883258097678 ~1987
129051112322919999 ~1989
12905423258108478 ~1987
12905603258112078 ~1987
12905699258113998 ~1987
12905701774342078 ~1988
12905723258114478 ~1987
12905773774346398 ~1988
129059691806835679 ~1989
12906863258137278 ~1987
12907259258145198 ~1987
12907319258146398 ~1987
12907451258149038 ~1987
12907571258151438 ~1987
12907883258157678 ~1987
129079271290792719 ~1988
129080391032643139 ~1988
129082792323490239 ~1989
12908579258171598 ~1987
12908963258179278 ~1987
12909131258182638 ~1987
12909241774554478 ~1988
Exponent Prime Factor Digits Year
129092511032740099 ~1988
129093191290931919 ~1988
12909551258191038 ~1987
129095871032766979 ~1988
12909623258192478 ~1987
12909839258196798 ~1987
12911117774667038 ~1988
12911399258227998 ~1987
12911711258234238 ~1987
12911819258236398 ~1987
12912479258249598 ~1987
12912899258257998 ~1987
129131691033053539 ~1988
129134711291347119 ~1988
12913991258279838 ~1987
12914171258283438 ~1987
12914771258295438 ~1987
12915131258302638 ~1987
129151871291518719 ~1988
12915323258306478 ~1987
12915361774921678 ~1988
12915653774939198 ~1988
12916331258326638 ~1987
12916511258330238 ~1987
12916679258333598 ~1987
Exponent Prime Factor Digits Year
12916901775014078 ~1988
12917123258342478 ~1987
129175071033400579 ~1988
129176571289182168711 ~1993
12918263258365278 ~1987
129183193100396579 ~1989
12918371258367438 ~1987
129184575167382819 ~1990
12918491258369838 ~1987
12918583240285643910 ~1991
12918757775125438 ~1988
12919097775145838 ~1988
12919103258382078 ~1987
12919163258383278 ~1987
12919241775154478 ~1988
12919381775162878 ~1988
12919463258389278 ~1987
12919499258389998 ~1987
12919559258391198 ~1987
12919883258397678 ~1987
12920003258400078 ~1987
12920381775222878 ~1988
129204071292040719 ~1988
12921179258423598 ~1987
12921299258425998 ~1987
Exponent Prime Factor Digits Year
129220271292202719 ~1988
12922103258442078 ~1987
12923153775389198 ~1988
12923243258464878 ~1987
12923279258465598 ~1987
129236277237231139 ~1990
12923903258478078 ~1987
129239093877172719 ~1989
129243471033947779 ~1988
12924563258491278 ~1987
12924817775489038 ~1988
12925019258500398 ~1987
129250617238034179 ~1990
12926003258520078 ~1987
12926159258523198 ~1987
129267291034138339 ~1988
129274011034192099 ~1988
129274371034194979 ~1988
12927503258550078 ~1987
12927671258553438 ~1987
12927983258559678 ~1987
12928439258568798 ~1987
12928613775716798 ~1988
12928631258572638 ~1987
12928897775733838 ~1988
1147
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25-04-13