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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
4231754759846350951910 ~2006
4231821851846364370310 ~2006
42319561612539173696711 ~2007
4232061023846412204710 ~2006
42322408013385792640911 ~2008
4232259611846451922310 ~2006
4232544551846508910310 ~2006
4232766203846553240710 ~2006
4233288551846657710310 ~2006
4233360539846672107910 ~2006
423344497917780468911912 ~2009
42335806972540148418311 ~2007
42336247193386899775311 ~2008
4233723743846744748710 ~2006
4233737639846747527910 ~2006
4233758099846751619910 ~2006
4233774719846754943910 ~2006
42338029812540281788711 ~2007
4233988763846797752710 ~2006
4234045811846809162310 ~2006
4234120199846824039910 ~2006
4234159379846831875910 ~2006
4234171559846834311910 ~2006
42343668597621860346311 ~2009
4234383623846876724710 ~2006
Exponent Prime Factor Digits Year
42346404775928496667911 ~2008
4234741271846948254310 ~2006
4234784819846956963910 ~2006
4234953311846990662310 ~2006
4235018759847003751910 ~2006
4235108639847021727910 ~2006
42351338212541080292711 ~2007
42351372132541082327911 ~2007
4235466743847093348710 ~2006
42355067393388405391311 ~2008
42355241335929733786311 ~2008
42358361332541501679911 ~2007
42359770877624758756711 ~2009
42360065812541603948711 ~2007
4236031799847206359910 ~2006
42360865932541651955911 ~2007
4236514703847302940710 ~2006
4236653423847330684710 ~2006
4236991679847398335910 ~2006
4236998819847399763910 ~2006
42373434016779749441711 ~2008
4237380671847476134310 ~2006
4237420199847484039910 ~2006
42374609932542476595911 ~2007
4237510883847502176710 ~2006
Exponent Prime Factor Digits Year
4237515263847503052710 ~2006
4237525091847505018310 ~2006
4237674299847534859910 ~2006
423783925965262724588712 ~2011
42378467772542708066311 ~2007
4237852991847570598310 ~2006
42378634517628154211911 ~2009
4237897019847579403910 ~2006
4238065619847613123910 ~2006
4238129663847625932710 ~2006
4238263979847652795910 ~2006
4238526359847705271910 ~2006
4238630411847726082310 ~2006
4238653283847730656710 ~2006
42388282673391062613711 ~2008
4238916959847783391910 ~2006
4239100559847820111910 ~2006
42392123093391369847311 ~2008
4239366419847873283910 ~2006
42394665713391573256911 ~2008
4239644159847928831910 ~2006
4239683543847936708710 ~2006
4239734183847946836710 ~2006
423973486112719204583112 ~2009
4239747059847949411910 ~2006
Exponent Prime Factor Digits Year
4239893951847978790310 ~2006
4239990563847998112710 ~2006
4240034723848006944710 ~2006
42402069612544124176711 ~2007
42403018517632543331911 ~2009
4240429499848085899910 ~2006
4240437611848087522310 ~2006
42404913194240491319111 ~2008
4240548863848109772710 ~2006
4240825331848165066310 ~2006
42408766313392701304911 ~2008
4241335799848267159910 ~2006
42414999612544899976711 ~2007
42415369036786459044911 ~2008
424168915710180053976912 ~2009
4241854343848370868710 ~2006
4242157019848431403910 ~2006
42422544593393803567311 ~2008
4242762791848552558310 ~2006
4242944903848588980710 ~2006
4242993311848598662310 ~2006
4243546523848709304710 ~2006
42436084073394886725711 ~2008
4243677143848735428710 ~2006
42437194132546231647911 ~2007
3984
GIMPS The Prime Pages FactorDb.com
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25-04-13