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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
64274078031285481560711 ~2008
64283192511285663850311 ~2008
64284187613857051256711 ~2009
64284846773857090806311 ~2009
64285962591285719251911 ~2008
64287116579000196319911 ~2010
64287553791285751075911 ~2008
64288694391285773887911 ~2008
64290225196429022519111 ~2009
64292238115143379048911 ~2009
64293289013857597340711 ~2009
64295476133857728567911 ~2009
64298365191285967303911 ~2008
64298556231285971124711 ~2008
64300381431286007628711 ~2008
64301915391286038307911 ~2008
64302889791286057795911 ~2008
64304115831286082316711 ~2008
64305156831286103136711 ~2008
64309209591286184191911 ~2008
64309717791286194355911 ~2008
64309785231286195704711 ~2008
64310137911286202758311 ~2008
64310140911286202818311 ~2008
64313690511286273810311 ~2008
Exponent Prime Factor Dig. Year
64316107431286322148711 ~2008
64317658431286353168711 ~2008
64318248013859094880711 ~2009
64322554431286451088711 ~2008
64325917791286518355911 ~2008
64333974231286679484711 ~2008
64334885991286697719911 ~2008
64335212991286704259911 ~2008
64336071973860164318311 ~2009
64336801613860208096711 ~2009
64338198831286763976711 ~2008
643402611110294441777712 ~2010
64341576831286831536711 ~2008
64342628991286852579911 ~2008
64345666276434566627111 ~2009
64347139311286942786311 ~2008
64347748311286954966311 ~2008
64349390511286987810311 ~2008
64350337191287006743911 ~2008
64350953391287019067911 ~2008
64355192631287103852711 ~2008
64356119391287122387911 ~2008
64356605511287132110311 ~2008
64357764231287155284711 ~2008
64358693511287173870311 ~2008
Exponent Prime Factor Dig. Year
64364033815149122704911 ~2009
64365503631287310072711 ~2008
64366565991287331319911 ~2008
64367129391287342587911 ~2008
643687011730896976561712 ~2011
64373769231287475384711 ~2008
64375722591287514451911 ~2008
64375979511287519590311 ~2008
64376430711287528614311 ~2008
64377957295150236583311 ~2009
64380819895150465591311 ~2009
64382103231287642064711 ~2008
64382179791287643595911 ~2008
643848038320603137225712 ~2011
64391040711287820814311 ~2008
64392017991287840359911 ~2008
64394498991287889979911 ~2008
64394614911287892298311 ~2008
64395421636439542163111 ~2009
64397504533863850271911 ~2009
64400118115152009448911 ~2009
64400400231288008004711 ~2008
64407307431288146148711 ~2008
64409361711288187234311 ~2008
644107108310305713732912 ~2010
Exponent Prime Factor Dig. Year
64414203711288284074311 ~2008
64414488591288289771911 ~2008
64414878831288297576711 ~2008
64415207813864912468711 ~2009
64415516631288310332711 ~2008
64418370231288367404711 ~2008
644183790110306940641712 ~2010
64418537631288370752711 ~2008
64419849591288396991911 ~2008
64421817173865309030311 ~2009
644221897315461325535312 ~2010
64426905715154152456911 ~2009
64429695231288593904711 ~2008
64430965191288619303911 ~2008
64432529413865951764711 ~2009
64435141791288702835911 ~2008
64438842831288776856711 ~2008
64444225333866653519911 ~2009
64444241533866654491911 ~2009
64447433031288948660711 ~2008
64447521231288950424711 ~2008
64449224991288984499911 ~2008
644495873315467900959312 ~2010
644518882120624604227312 ~2011
644545576327070914204712 ~2011
4148
GIMPS The Prime Pages FactorDb.com
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25-05-04