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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
5183939103678798 ~1983
5184121829459378 ~1986
5184143103682878 ~1983
5184323103686478 ~1983
51843231244237539
51843431244242339 ~1986
5184563103691278 ~1983
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
Exp. Prime Factor Digits Year
5186191518619118 ~1985
5186197829791538 ~1986
5186491258287251910 ~1989
5186501311190078 ~1985
5186543103730878 ~1983
51866631348532399 ~1986
5186879414950338 ~1985
5186927414954178 ~1985
5187113726195838 ~1985
5187151518715118 ~1985
5187233311233998 ~1985
5187239103744798 ~1983
5187401414992098 ~1985
51878871348850639 ~1986
5188091103761838 ~1983
5188229415058338 ~1985
5188499103769998 ~1983
5188531518853118 ~1985
5188619103772398 ~1983
5188763103775278 ~1983
5188819933987438 ~1986
5188877415110178 ~1985
5189113311346798 ~1985
5189339934081038 ~1986
5189357311361438 ~1985
Exp. Prime Factor Digits Year
5189567415165378 ~1985
5189623830339698 ~1986
5189711103794238 ~1983
5189939103798798 ~1983
5189957311397438 ~1985
5189957103799140110
5190319519031918 ~1985
5190587934305678 ~1986
5190611103812238 ~1983
5190863103817278 ~1983
51911411557342319 ~1986
5191213311472798 ~1985
5191247415299778 ~1985
5191331103826638 ~1983
51913633737781379 ~1987
5191603519160318 ~1985
5191799103835998 ~1983
5191943103838878 ~1983
51921677061347139 ~1988
5192219415377538 ~1985
51923112492309299 ~1987
5192483103849678 ~1983
5192657415412578 ~1985
5192669726973678 ~1985
5192699103853998 ~1983
Exp. Prime Factor Digits Year
5192699415415938
51928133219544079 ~1987
51930491142470799 ~1986
5193107415448578 ~1985
5193299103865998 ~1983
5193613311616798 ~1985
5193977415518178 ~1985
5194093311645598 ~1985
51942791246626979 ~1986
5194361415548898 ~1985
5194549165186658310 ~1989
5194697311681838 ~1985
5194921311695278 ~1985
5194951519495118 ~1985
5194991103899838 ~1983
5195369415629538 ~1985
5195501415640098 ~1985
5195639103912798 ~1983
5195653127813063910 ~1989
5195831103916638 ~1983
5195887519588718 ~1985
5195903103918078 ~1983
51961572390232239 ~1987
5196293311777598 ~1985
5196361311781678 ~1985
706
GIMPS The Prime Pages FactorDb.com
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25-09-07