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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
23250863465017278 ~1989
23251499465029998 ~1989
232519331395115999 ~1990
23252231465044638 ~1989
23252783465055678 ~1989
23253071465061438 ~1989
232531491860251939 ~1990
23253599465071998 ~1989
23253731465074638 ~1989
23253959465079198 ~1989
232543497441391699 ~1991
232551235581229539 ~1991
23255759465115198 ~1989
23256251465125038 ~1989
23256371465127438 ~1989
23257103465142078 ~1989
232573971860591779 ~1990
23258003465160078 ~1989
23258051465161038 ~1989
232581891860655139 ~1990
23258219465164398 ~1989
23258351465167038 ~1989
23258423130247168910 ~1992
232591911860735299 ~1990
23260043465200878 ~1989
Exponent Prime Factor Digits Year
23260091465201838 ~1989
232605471860843779 ~1990
23260823465216478 ~1989
232610472326104719 ~1990
23261963465239278 ~1989
23261999465239998 ~1989
232620531395723199 ~1990
232624976978749119 ~1991
23263319465266398 ~1989
23265323465306478 ~1989
232656072326560719 ~1990
232656291861250339 ~1990
232668011396008079 ~1990
23267059167522824910 ~1992
232671773257404799 ~1991
232672611396035679 ~1990
232676171396057039 ~1990
23267663465353278 ~1989
23268551465371038 ~1989
232690611396143679 ~1990
232691171396147039 ~1990
232696373257749199 ~1991
23270171465403438 ~1989
232706091861648739 ~1990
23270651465413038 ~1989
Exponent Prime Factor Digits Year
23271179465423598 ~1989
23271263465425278 ~1989
23271431465428638 ~1989
23271491465429838 ~1989
23271719465434398 ~1989
23271959465439198 ~1989
232719735585273539 ~1991
23272043465440878 ~1989
232722531396335199 ~1990
232729794189136239 ~1991
23274263186194104110 ~1992
232744371396466239 ~1990
232747011396482079 ~1990
232752971396517839 ~1990
23275391465507838 ~1989
23275523465510478 ~1989
232761171396567039 ~1990
23276579465531598 ~1989
23276651465533038 ~1989
23276899148972153710 ~1992
23277263465545278 ~1989
23277659465553198 ~1989
232779591862236739 ~1990
23278043465560878 ~1989
232785432327854319 ~1990
Exponent Prime Factor Digits Year
23278571465571438 ~1989
23278943465578878 ~1989
23279159465583198 ~1989
232793592327935919 ~1990
23279363465587278 ~1989
232794611396767679 ~1990
23279471465589438 ~1989
23279891465597838 ~1989
23280143465602878 ~1989
23280563465611278 ~1989
23280923465618478 ~1989
23281319465626398 ~1989
23281463465629278 ~1989
232814637450068179
23282111465642238 ~1989
23282123465642478 ~1989
232822635587743139 ~1991
23282471465649438 ~1989
232824771862598179 ~1990
23282759111757243310 ~1992
23282939465658798 ~1989
23283731465674638 ~1989
23284403465688078 ~1989
23284511465690238 ~1989
232846731397080399 ~1990
1521
GIMPS The Prime Pages FactorDb.com
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25-04-13