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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.
Exp. Prime Factor Digits Year
5180477725266798 ~1986
5180579103611598 ~1983
5180717310843038 ~1985
5180717414457378
5180771103615438 ~1983
51809531554285919 ~1986
5180963103619278 ~1983
5181013310860798 ~1985
5181023103620478 ~1983
5181067932592078 ~1986
5181101310866078 ~1985
5181173310870398 ~1985
5181191103623838 ~1983
5181353310881198 ~1985
5181383103627678 ~1983
5181551103631038 ~1983
51815993834383279 ~1987
5181637310898238 ~1985
5181677310900638 ~1985
5181779414542338 ~1985
5181899932741838 ~1986
5181971103639438 ~1983
5181983103639678 ~1983
5182091103641838 ~1983
5182253725515438 ~1986
Exp. Prime Factor Digits Year
5182319103646398 ~1983
51824271243782499 ~1986
5182601310956078 ~1985
5182757310965438 ~1985
5182829725596078 ~1986
5182867518286718 ~1985
5182979103659598 ~1983
5183077248787696110 ~1989
5183159103663198 ~1983
5183357414668578 ~1985
5183411103668238 ~1983
5183587933045678 ~1986
5183813311028798 ~1985
5183819103676398 ~1983
5183831103676638 ~1983
5183891103677838 ~1983
5183891933100398
5183933311035998 ~1985
5183939103678798 ~1983
5184121829459378 ~1986
5184143103682878 ~1983
5184323103686478 ~1983
51843231244237539
51843431244242339 ~1986
5184563103691278 ~1983
Exp. Prime Factor Digits Year
5184721311083278 ~1985
51847215806887539
5184757311085438 ~1985
5184841311090478 ~1985
5184863103697278 ~1983
51848713422014879 ~1987
5184911103698238 ~1983
5184953311097198 ~1985
5185139103702798 ~1983
5185261829641778 ~1986
51856811140849839 ~1986
5185801311148078 ~1985
51858011555740319
5185877311152638 ~1985
5185919103718398 ~1983
5185931103718638 ~1983
5185979414878338 ~1985
5185979933476238
5186191518619118 ~1985
5186197829791538 ~1986
5186491258287251910 ~1989
5186501311190078 ~1985
5186543103730878 ~1983
51866631348532399 ~1986
5186879414950338 ~1985
Exp. Prime Factor Digits Year
5186927414954178 ~1985
5186933726170638 ~1986
5187113726195838 ~1986
5187151518715118 ~1985
5187233311233998 ~1985
5187239103744798 ~1983
5187401414992098 ~1985
51878871348850639 ~1986
5188091103761838 ~1983
5188229415058338 ~1985
5188499103769998 ~1983
5188531518853118 ~1985
51885431764104639 ~1986
5188619103772398 ~1983
5188763103775278 ~1983
5188819933987438 ~1986
5188877415110178 ~1985
5189113311346798 ~1985
5189309726503278 ~1986
5189339934081038 ~1986
5189357311361438 ~1985
5189567415165378 ~1985
5189623830339698 ~1986
5189711103794238 ~1983
5189939103798798 ~1983
719
GIMPS The Prime Pages FactorDb.com
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26-02-08