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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
126250971010007779 ~1988
12625331252506638 ~1986
126254712020075379 ~1989
12625523252510478 ~1986
12625741757544478 ~1988
126257415050296419
12626357757581438 ~1988
126265671010125379 ~1988
12626891252537838 ~1986
126273012020368179 ~1989
12627313757638798 ~1988
12627547315688675110 ~1992
12627941757676478 ~1988
12627971252559438 ~1986
12628019252560398 ~1986
12628223252564478 ~1986
126283791010270339 ~1988
12628381757702878 ~1988
12628463252569278 ~1986
12628859252577198 ~1986
12629483252589678 ~1986
12629621757777278 ~1988
12629833757789998 ~1988
12629843252596878 ~1986
12630011252600238 ~1986
Exponent Prime Factor Digits Year
12630251252605038 ~1986
126305211010441699 ~1988
12630539252610798 ~1986
12630641757838478 ~1988
12630851252617038 ~1986
12631261757875678 ~1988
12631373757882398 ~1988
12631511252630238 ~1986
12632413757944798 ~1988
12632591252651838 ~1986
12632821757969278 ~1988
12633503252670078 ~1986
12633563252671278 ~1986
12633899252677998 ~1986
126339312274107599 ~1989
12634091252681838 ~1986
12634151252683038 ~1986
12634253758055198 ~1988
126343616064493299 ~1990
1263447168822490431312 ~1997
12634537758072238 ~1988
126347817833564239 ~1990
12635033758101998 ~1988
12635159252703198 ~1986
12635221758113278 ~1988
Exponent Prime Factor Digits Year
12635377758122638 ~1988
126354111010832899 ~1988
126356695476298944711 ~1995
126368532780107679 ~1989
12636983252739678 ~1986
12637193758231598 ~1988
12637201758232078 ~1988
12637763252755278 ~1986
12637811252756238 ~1986
126379511263795119 ~1988
12637991252759838 ~1986
126380271011042179 ~1988
126385433286021199 ~1989
12638741758324478 ~1988
12638761758325678 ~1988
12638903252778078 ~1986
126392293033414979 ~1989
12639359252787198 ~1986
126398391011187139 ~1988
126398811011190499 ~1988
12639923252798478 ~1986
12640499252809998 ~1986
126406011011248099 ~1988
12640703252814078 ~1986
12640763252815278 ~1986
Exponent Prime Factor Digits Year
12641017758461038 ~1988
12641177758470638 ~1988
12641257758475438 ~1988
12641801758508078 ~1988
12641977758518638 ~1988
12642299252845998 ~1986
12642491252849838 ~1986
126430219102975139 ~1990
12643193758591598 ~1988
12643201758592078 ~1988
12643283252865678 ~1986
12643511252870238 ~1986
12643613758616798 ~1988
12643643252872878 ~1986
12643837758630238 ~1988
12644459252889198 ~1986
126452871011622979 ~1988
12645359252907198 ~1986
12645371252907438 ~1986
12645623252912478 ~1986
12645911252918238 ~1986
126459791264597919 ~1988
126464111264641119 ~1988
12646583252931678 ~1986
12647279252945598 ~1986
1208
GIMPS The Prime Pages FactorDb.com
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26-03-15