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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
231309411850475299 ~1990
23131079462621598 ~1988
23131631462632638 ~1988
231318531387911199 ~1990
23132099462641998 ~1988
23132423462648478 ~1988
231337491850699939 ~1990
23133899462677998 ~1988
23134103462682078 ~1988
231342531388055199 ~1990
23134703462694078 ~1988
23134931462698638 ~1988
231354792313547919 ~1990
23135771462715438 ~1988
231361611388169679 ~1990
23136299462725998 ~1988
23137451462749038 ~1988
23137979462759598 ~1988
23138519462770398 ~1988
23138543462770878 ~1988
23138891462777838 ~1988
231389091851112739 ~1990
231389175553340099 ~1991
23139563462791278 ~1988
23139899462797998 ~1988
Exponent Prime Factor Digits Year
23140079462801598 ~1988
23140163462803278 ~1988
23140571462811438 ~1988
23141291462825838 ~1988
23141771462835438 ~1988
23141831462836638 ~1988
231423131388538799 ~1990
23142719462854398 ~1988
23142767185142136110 ~1992
23142863462857278 ~1988
231428818794294799 ~1992
231429439720036079 ~1992
23143343462866878 ~1988
23143559462871198 ~1988
23143811462876238 ~1988
23143931462878638 ~1988
23144171462883438 ~1988
23144339462886798 ~1988
23144399462887998 ~1988
23144483462889678 ~1988
23145119462902398 ~1988
23145203462904078 ~1988
23146223462924478 ~1988
23146439462928798 ~1988
23146559462931198 ~1988
Exponent Prime Factor Digits Year
231468114166425999 ~1991
23147279462945598 ~1988
23147651462953038 ~1988
23147783462955678 ~1988
231480531388883199 ~1990
23148239462964798 ~1988
23148731462974638 ~1988
231495072314950719 ~1990
23149811462996238 ~1988
231498731388992399 ~1990
23150051463001038 ~1988
231502333704037299 ~1991
23150663463013278 ~1988
231507912315079119 ~1990
23150843463016878 ~1988
23151083463021678 ~1988
23151277495437327910 ~1993
231515592315155919 ~1990
231516291852130339 ~1990
23151743463034878 ~1988
23151959463039198 ~1988
23152463463049278 ~1988
23153051463061038 ~1988
231536931389221599 ~1990
23153699463073998 ~1988
Exponent Prime Factor Digits Year
23153843463076878 ~1988
23153891463077838 ~1988
23154011463080238 ~1988
23154143463082878 ~1988
23154251463085038 ~1988
231546237409479379 ~1991
231557112315571119 ~1990
231561733704987699 ~1991
23156207152830966310 ~1992
23157059463141198 ~1988
23157311463146238 ~1988
23157419463148398 ~1988
23157479463149598 ~1988
23157503463150078 ~1988
23157611463152238 ~1988
23157839463156798 ~1988
23159303463186078 ~1988
23159399463187998 ~1988
23159639463192798 ~1988
23159663463193278 ~1988
23159963463199278 ~1988
231600971389605839 ~1990
231602833705645299 ~1991
23160911463218238 ~1988
231609133705746099 ~1991
1517
GIMPS The Prime Pages FactorDb.com
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25-04-13