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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 Dig. Year
80356569111607131382311 ~2008
80359764774821585886311 ~2010
80363747991607274959911 ~2008
80365068734821904123911 ~2010
80367821396429425711311 ~2010
80369247231607384944711 ~2008
80371105791607422115911 ~2008
803765281114467775059912 ~2011
80376611391607532227911 ~2008
80378022614822681356711 ~2010
80380228791607604575911 ~2008
80383462431607669248711 ~2008
80388485631607769712711 ~2008
80389050711607781014311 ~2008
803891295719293391096912 ~2011
80393083911607861678311 ~2008
80397624111607952482311 ~2008
80397682791607953655911 ~2008
80400278516432022280911 ~2010
80401682816432134624911 ~2010
80404231191608084623911 ~2008
80404262391608085247911 ~2008
80413046511608260930311 ~2008
80426069516434085560911 ~2010
80429206311608584126311 ~2008
Exponent Prime Factor Dig. Year
80430935574825856134311 ~2010
804362827719304707864912 ~2011
804383155317696429416712 ~2011
80442039711608840794311 ~2008
80442810231608856204711 ~2008
80444244831608884896711 ~2008
80444254431608885088711 ~2008
80448386631608967732711 ~2008
804493096924134792907112 ~2011
80452346511609046930311 ~2008
80459165511609183310311 ~2008
804637639125748404451312 ~2011
80464286991609285739911 ~2008
80469088191609381763911 ~2008
80471166111609423322311 ~2008
80471578191609431563911 ~2008
80472215511609444310311 ~2008
80474599191609491983911 ~2008
80485610991609712219911 ~2008
80485886991609717739911 ~2008
80489423511609788470311 ~2008
80492233791609844675911 ~2008
80495199716439615976911 ~2010
80497095711609941914311 ~2008
80497427631609948552711 ~2008
Exponent Prime Factor Dig. Year
80498104796439848383311 ~2010
80498791431609975828711 ~2008
80499842631609996852711 ~2008
80508432614830505956711 ~2010
80509382774830562966311 ~2010
80510732118051073211111 ~2010
80510877896440870231311 ~2010
80515769574830946174311 ~2010
80516737974831004278311 ~2010
80517700191610354003911 ~2008
805195052319324681255312 ~2011
80519519396441561551311 ~2010
80523144231610462884711 ~2008
805247147311273460062312 ~2010
80527513791610550275911 ~2008
80527809711610556194311 ~2008
80529191031610583820711 ~2008
80529561231610591224711 ~2008
80529885231610597704711 ~2008
80531411991610628239911 ~2008
80532061911610641238311 ~2008
805357567927382157308712 ~2011
80535764391610715287911 ~2008
80535844911610716898311 ~2008
80536053798053605379111 ~2010
Exponent Prime Factor Dig. Year
80540511711610810234311 ~2008
80540527311610810546311 ~2008
80541307676443304613711 ~2010
805442139114497958503912 ~2011
80545199996443615999311 ~2010
80546653791610933075911 ~2008
80549505831610990116711 ~2008
80556178311611123566311 ~2008
80559315014833558900711 ~2010
80562256014833735360711 ~2010
80563602711611272054311 ~2008
80567506974834050418311 ~2010
80570656191611413123911 ~2008
80570770974834246258311 ~2010
80571929174834315750311 ~2010
80575715814834542948711 ~2010
80579865231611597304711 ~2008
80582707911611654158311 ~2008
80583904911611678098311 ~2008
80585340591611706811911 ~2008
80589283311611785666311 ~2008
805921399114506585183912 ~2011
80594264391611885287911 ~2008
80597557791611951155911 ~2008
80598961934835937715911 ~2010
4415
GIMPS The Prime Pages FactorDb.com
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25-09-07