Home e-mail
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
216839943367997 ~1980
21684292255166179 ~1985
2168437130106238 ~1982
2168567390342078 ~1983
21685671040912179
2168581130114878 ~1982
2168587520460898 ~1983
2168599737323678 ~1983
21685991561391299
21686511040952499 ~1984
2168659216865918 ~1982
216871143374237 ~1980
2168801173504098 ~1982
2168987390417678 ~1983
216920343384077 ~1980
2169203694144978
216931143386237 ~1980
2169457130167438 ~1982
2169499216949918 ~1982
2169509520682178 ~1983
2169509824413438
2169617130177038 ~1982
216968343393677 ~1980
21697572733893839 ~1985
2169799390563838 ~1983
Exp. Prime Factor Digits Year
2169821824531998 ~1984
2169877520770498 ~1983
2169967390594078 ~1983
2169997130199838 ~1982
2170039217003918 ~1982
217004343400877 ~1980
2170109173608738 ~1982
2170117130207038 ~1982
2170121173609698 ~1982
2170283694490578 ~1983
2170321130219278 ~1982
2170513347282098 ~1983
2170529303874078 ~1983
217058343411677 ~1980
2170603347296498 ~1983
2170673303894238 ~1983
2170681130240878 ~1982
2170757824887678 ~1984
2170813520995138 ~1983
2170813651243918
2170919694694098 ~1983
217100343420077 ~1980
21710032084162899
217115943423197 ~1980
2171159521078178
Exp. Prime Factor Digits Year
2171161130269678 ~1982
217121943424397 ~1980
217124343424877 ~1980
2171249303974878 ~1983
21712491042199539
2171437347429938 ~1983
2171621130297278 ~1982
217175943435197 ~1980
21718991954709119 ~1985
2171929228921316710 ~1987
2171951173756098 ~1982
2172047173763778 ~1982
2172091217209118 ~1982
2172151347544178 ~1983
217223943444797 ~1980
2172389173791138 ~1982
2172397868958818 ~1984
2172433347589298 ~1983
2172491695197138 ~1983
217256343451277 ~1980
2172581130354878 ~1982
217285143457037 ~1980
2172977130378638 ~1982
217304343460877 ~1980
21730794172311699 ~1985
Exp. Prime Factor Digits Year
2173337652001118 ~1983
2173393130403598 ~1982
21735311956177919 ~1985
2173573130414398 ~1982
2173679386480126310 ~1988
2173729478220398 ~1983
2173777521706498 ~1983
2173819217381918 ~1982
2173993130439598 ~1982
2174017130441038 ~1982
217417143483437 ~1980
2174197130451838 ~1982
21742031434973999 ~1984
2174281130456878 ~1982
2174401478368238 ~1983
21745331522173119 ~1984
217459143491837 ~1980
2174701130482078 ~1982
217495143499037 ~1980
217505943501197 ~1980
217508343501677 ~1980
2175197130511838 ~1982
2175197522047298
217526343505277 ~1980
2175469100506667910 ~1986
415
GIMPS The Prime Pages FactorDb.com
Home
5.366.787 digits 		e-mail
26-02-08