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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
28799217172303937373711 ~2006
2879929763575985952710 ~2005
2879934839575986967910 ~2005
28799731571727983894311 ~2006
2880017771576003554310 ~2005
28800582112304046568911 ~2006
2880095831576019166310 ~2005
2880214079576042815910 ~2005
28802342212304187376911 ~2006
28802674731728160483911 ~2006
2880272579576054515910 ~2005
2880332951576066590310 ~2005
2880426599576085319910 ~2005
2880498119576099623910 ~2005
2880505319576101063910 ~2005
28807794436913870663311 ~2008
2880798419576159683910 ~2005
2880825659576165131910 ~2005
28809327774033305887911 ~2007
28811454715186061847911 ~2007
2881181939576236387910 ~2005
28812395392304991631311 ~2006
2881272011576254402310 ~2005
2881396751576279350310 ~2005
28814195331728851719911 ~2006
Exponent Prime Factor Digits Year
2881449419576289883910 ~2005
2881516523576303304710 ~2005
2881558343576311668710 ~2005
2881737851576347570310 ~2005
2881836851576367370310 ~2005
2881924163576384832710 ~2005
2881986143576397228710 ~2005
2882015039576403007910 ~2005
2882049179576409835910 ~2005
2882187851576437570310 ~2005
2882331899576466379910 ~2005
2882370779576474155910 ~2005
2882404979576480995910 ~2005
2882477879576495575910 ~2005
2882574263576514852710 ~2005
2882642159576528431910 ~2005
28826939531729616371911 ~2006
2882934479576586895910 ~2005
28830893331729853599911 ~2006
28833082371729984942311 ~2006
28833708294036719160711 ~2007
2883522623576704524710 ~2005
2883545111576709022310 ~2005
2883581423576716284710 ~2005
288363668316148365424912 ~2008
Exponent Prime Factor Digits Year
2883693419576738683910 ~2005
2883807743576761548710 ~2005
28839011572307120925711 ~2006
2883965099576793019910 ~2005
28839780011730386800711 ~2006
28839948731730396923911 ~2006
28840787517498604752711 ~2008
28840815072884081507111 ~2007
288413816312113380284712 ~2008
28843098531730585911911 ~2006
28843749792884374979111 ~2007
28844099336922583839311 ~2008
2884517939576903587910 ~2005
28845239211730714352711 ~2006
2884578491576915698310 ~2005
28846099211730765952711 ~2006
2884733171576946634310 ~2005
288514159311540566372112 ~2008
2885142959577028591910 ~2005
28851966172308157293711 ~2006
28852237731731134263911 ~2006
2885306003577061200710 ~2005
2885327519577065503910 ~2005
288539224325968530187112 ~2009
2885411279577082255910 ~2005
Exponent Prime Factor Digits Year
2885583023577116604710 ~2005
2885708219577141643910 ~2005
2885772731577154546310 ~2005
2885800223577160044710 ~2005
2885920223577184044710 ~2005
2886092063577218412710 ~2005
2886125519577225103910 ~2005
2886156503577231300710 ~2005
2886163883577232776710 ~2005
2886168023577233604710 ~2005
2886299639577259927910 ~2005
2886315611577263122310 ~2005
288634410113277182864712 ~2008
28863701812309096144911 ~2006
2886539891577307978310 ~2005
2886634259577326851910 ~2005
2886752639577350527910 ~2005
28868145734618903316911 ~2007
2886836951577367390310 ~2005
2886924083577384816710 ~2005
288700962725983086643112 ~2009
28870972632887097263111 ~2007
28871434371732286062311 ~2006
2887220051577444010310 ~2005
2887475663577495132710 ~2005
4068
GIMPS The Prime Pages FactorDb.com
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25-09-07