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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
7564091605127298 ~1986
7564211151284238 ~1985
7564301453858078 ~1986
7564499151289998 ~1985
75646735446564579 ~1989
7564871151297438 ~1985
7564913453894798 ~1986
7565093453905598 ~1986
75651911210430579 ~1987
7565303151306078 ~1985
75653031815672739
7565423151308478 ~1985
7565483151309678 ~1985
7565531151310638 ~1985
7566059151321198 ~1985
7566061453963678 ~1986
7566131151322638 ~1985
7566281453976878 ~1986
7566659605332738 ~1986
7566803151336078 ~1985
7566899151337998 ~1985
7566983151339678 ~1985
75670991362077839 ~1987
75678916205670639 ~1989
7567919151358398 ~1985
Exp. Prime Factor Digits Year
7567991151359838 ~1985
7568303151366078 ~1985
7568399151367998 ~1985
7568531151370638 ~1985
7568699151373998 ~1985
7568741454124478 ~1986
7568777454126638 ~1986
7568879605510338 ~1986
7568999151379998 ~1985
7569119151382398 ~1985
7569179151383598 ~1985
7569347605547778 ~1986
7569431151388638 ~1985
7569629605570338 ~1986
7569671151393438 ~1985
7569713454182798 ~1986
7569839151396798 ~1985
7569851151397038 ~1985
7569911151398238 ~1985
7570259151405198 ~1985
7570261454215678 ~1986
7570481454228878 ~1986
7570543757054318 ~1986
7570583151411678 ~1985
7570637454238238 ~1986
Exp. Prime Factor Digits Year
7570733387621529710 ~1991
7570991151419838 ~1985
7571351151427038 ~1985
7571423151428478 ~1985
7571437454286238 ~1986
7571537605722978 ~1986
7571539757153918 ~1986
7571563757156318 ~1986
7571777454306638 ~1986
7571821454309278 ~1986
7572263151445278 ~1985
7572563151451278 ~1985
7572791151455838 ~1985
7572941454376478 ~1986
7573537454412238 ~1986
75735371211765939
7573591757359118 ~1986
7573679151473598 ~1985
7573691151473838 ~1985
7573883151477678 ~1985
7573921454435278 ~1986
7574111151482238 ~1985
7574143757414318 ~1986
75746174090293199 ~1988
7574717454483038 ~1986
Exp. Prime Factor Digits Year
7574807605984578 ~1986
7574999151499998 ~1985
7575059151501198 ~1985
7575077454504638 ~1986
7575311151506238 ~1985
7575371151507438 ~1985
7575527606042178 ~1986
7575637454538238 ~1986
75758031818192739 ~1987
7575881606070498 ~1986
7575923151518478 ~1985
7576057454563438 ~1986
7576091151521838 ~1985
7576091606087298
7576199151523998 ~1985
7576319606105538 ~1986
7576399757639918 ~1986
7576619606129538 ~1986
7576691606135298 ~1986
7577177454630638 ~1986
7577369606189538 ~1986
7577491757749118 ~1986
7577657454659438 ~1986
7577677454660638 ~1986
7577701454662078 ~1986
917
GIMPS The Prime Pages FactorDb.com
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26-07-19