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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
359943132159658799 ~1991
35994383719887678 ~1990
35995691719913838 ~1990
35996399719927998 ~1990
35996711719934238 ~1990
35997119604751599310 ~1995
35997443719948878 ~1990
35998199719963998 ~1990
359984932159909599 ~1991
35998751719975038 ~1990
359992332159953999 ~1991
359994772879958179 ~1991
35999567410395063910 ~1994
36000323720006478 ~1990
360003612160021679 ~1991
36000599720011998 ~1990
36001799720035998 ~1990
36002171720043438 ~1990
360029692880237539 ~1991
360030132160180799 ~1991
36003137777667759310 ~1995
360032175760514739 ~1992
36003251720065038 ~1990
36003683720073678 ~1990
36005423720108478 ~1990
Exponent Prime Factor Digits Year
36005471720109438 ~1990
36006359720127198 ~1990
36006563720131278 ~1990
36007091151229782310 ~1993
36007739720154798 ~1990
36008831720176638 ~1990
36009059720181198 ~1990
36009443720188878 ~1990
360095095041331279 ~1992
360097732160586399 ~1991
36009899720197998 ~1990
36009983720199678 ~1990
36010763720215278 ~1990
36011039720220798 ~1990
36011741115237571310 ~1993
360122833601228319 ~1992
36012659720253198 ~1990
36013031720260638 ~1990
36013643720272878 ~1990
360140812160844879 ~1991
360141078643385699 ~1993
360158572881268579 ~1991
36016283720325678 ~1990
36016619720332398 ~1990
360169612881356899 ~1991
Exponent Prime Factor Digits Year
360178732161072399 ~1991
36017903720358078 ~1990
36019103720382078 ~1990
36019499720389998 ~1990
360201412881611299 ~1991
36020483720409678 ~1990
36020723720414478 ~1990
36022331720446638 ~1990
36022523720450478 ~1990
36023243720464878 ~1990
36024431720488638 ~1990
36024563720491278 ~1990
36025211720504238 ~1990
36025571720511438 ~1990
360257332161543999 ~1991
36025943720518878 ~1990
36026219720524398 ~1990
36026531720530638 ~1990
36027143720542878 ~1990
360290512882324099 ~1991
360298378647160899 ~1993
360298495044178879 ~1992
360304192882433539 ~1991
360309196485565439 ~1992
36031643720632878 ~1990
Exponent Prime Factor Digits Year
360319815765116979 ~1992
36031991720639838 ~1990
36032603720652078 ~1990
360348412162090479 ~1991
36035579720711598 ~1990
36037241201808549710 ~1994
36037559720751198 ~1990
36037751353169959910 ~1994
360385332162311999 ~1991
36038543720770878 ~1990
36039071720781438 ~1990
36040139720802798 ~1990
36040859720817198 ~1990
36042323720846478 ~1990
36042899720857998 ~1990
36042959720859198 ~1990
36043151720863038 ~1990
36043379720867598 ~1990
36044483720889678 ~1990
360471012162826079 ~1991
36047111720942238 ~1990
36048431720968638 ~1990
360486678651680099 ~1993
36048839720976798 ~1990
36049259720985198 ~1990
1891
GIMPS The Prime Pages FactorDb.com
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25-07-08