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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
40725011814500238 ~1990
40725383814507678 ~1990
407259773258078179 ~1992
40726799814535998 ~1990
40727363814547278 ~1990
40727651814553038 ~1990
40727783814555678 ~1990
40728059814561198 ~1990
40728839814576798 ~1990
40728911814578238 ~1990
40729631814592638 ~1990
40729763814595278 ~1990
407298132443788799 ~1992
40730663814613278 ~1990
40730771814615438 ~1990
40730843814616878 ~1990
40730951814619038 ~1990
407318932443913599 ~1992
40732271814645438 ~1990
40732859814657198 ~1990
40733183814663678 ~1990
40733243814664878 ~1990
40733879814677598 ~1990
40734203814684078 ~1990
40734251814685038 ~1990
Exponent Prime Factor Digits Year
407343012444058079 ~1992
40734457122203371110 ~1993
40734563814691278 ~1990
40734959814699198 ~1990
407355713258845699 ~1992
407359135703027839 ~1993
40736159814723198 ~1990
40736419162945676110 ~1994
407366993258935939 ~1992
40737971814759438 ~1990
40738499814769998 ~1990
407386516518184179 ~1993
40738811814776238 ~1990
407391972444351839 ~1992
40739603814792078 ~1990
40740263814805278 ~1990
40740599814811998 ~1990
40740611814812238 ~1990
40740779814815598 ~1990
407408273259266179 ~1992
40741091814821838 ~1990
40741451814829038 ~1990
40741559814831198 ~1990
40742483814849678 ~1990
40742657195564753710 ~1994
Exponent Prime Factor Digits Year
40742759814855198 ~1990
40743119814862398 ~1990
40743431814868638 ~1990
407434735704086239 ~1993
40743779814875598 ~1990
407438212444629279 ~1992
40744079814881598 ~1990
40744883814897678 ~1990
40745951814919038 ~1990
40746071814921438 ~1990
40746143814922878 ~1990
40746683814933678 ~1990
40747139814942798 ~1990
40747391814947838 ~1990
40747403814948078 ~1990
40747463814949278 ~1990
40747991814959838 ~1990
40748243130394377710 ~1993
40748423814968478 ~1990
40748759814975198 ~1990
40748843814976878 ~1990
40749179814983598 ~1990
40749239814984798 ~1990
407504693260037539 ~1992
40750499815009998 ~1990
Exponent Prime Factor Digits Year
40751759815035198 ~1990
40751891815037838 ~1990
40753283815065678 ~1990
40755059815101198 ~1990
40755109163020436110 ~1994
40755131815102638 ~1990
407554613260436899 ~1992
40755479815109598 ~1990
40755971815119438 ~1990
407564812445388879 ~1992
40756741187481008710 ~1994
40757063815141278 ~1990
407576772445460639 ~1992
407577077336387279 ~1993
40758803815176078 ~1990
40759223815184478 ~1990
40759343815186878 ~1990
40760039815200798 ~1990
40760771815215438 ~1990
40760831815216638 ~1990
407611099782666179 ~1993
407615575706617999 ~1993
407617972445707839 ~1992
40762031815240638 ~1990
40762439815248798 ~1990
2169
GIMPS The Prime Pages FactorDb.com
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26-08-02