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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
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
4237515263847503052710 ~2006
4237525091847505018310 ~2006
4237674299847534859910 ~2006
423783925965262724588712 ~2011
42378467772542708066311 ~2007
4237852991847570598310 ~2006
42378634517628154211911 ~2009
4237897019847579403910 ~2006
4238065619847613123910 ~2006
4238129663847625932710 ~2006
4238263979847652795910 ~2006
4238526359847705271910 ~2006
Exponent Prime Factor Digits Year
4238630411847726082310 ~2006
4238653283847730656710 ~2006
423880826310173139831312 ~2009
42388282673391062613711 ~2008
4238916959847783391910 ~2006
4239100559847820111910 ~2006
42392123093391369847311 ~2008
4239366419847873283910 ~2006
42394665713391573256911 ~2008
4239644159847928831910 ~2006
4239683543847936708710 ~2006
4239734183847946836710 ~2006
423973486112719204583112 ~2009
4239747059847949411910 ~2006
4239893951847978790310 ~2006
4239990563847998112710 ~2006
4240034723848006944710 ~2006
42402069612544124176711 ~2007
42403018517632543331911 ~2009
4240429499848085899910 ~2006
4240437611848087522310 ~2006
42404913194240491319111 ~2008
4240548863848109772710 ~2006
4240825331848165066310 ~2006
42408766313392701304911 ~2008
Exponent Prime Factor Digits Year
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
42442852394244285239111 ~2008
42443053394244305339111 ~2008
42443756772546625406311 ~2007
424445962140746812361712 ~2010
4244474183848894836710 ~2006
4244487323848897464710 ~2006
4244569943848913988710 ~2006
42445992172546759530311 ~2007
4244993531848998706310 ~2006
4245073583849014716710 ~2006
4245197903849039580710 ~2006
Exponent Prime Factor Digits Year
4245325319849065063910 ~2006
424557397312736721919112 ~2009
4246109291849221858310 ~2006
4246812371849362474310 ~2006
42468775132548126507911 ~2007
4246962179849392435910 ~2006
424699237111042180164712 ~2009
4247257991849451598310 ~2006
4247347679849469535910 ~2006
4247602811849520562310 ~2006
4247660303849532060710 ~2006
4247927423849585484710 ~2006
42479972834247997283111 ~2008
42481431532548885891911 ~2007
424817838116992713524112 ~2009
4248331211849666242310 ~2006
424839167310196140015312 ~2009
4248634979849726995910 ~2006
42486562313398924984911 ~2008
42486769036797883044911 ~2008
42487468975948245655911 ~2008
42489625612549377536711 ~2007
42490168612549410116711 ~2007
4249271783849854356710 ~2006
42493350172549601010311 ~2007
4130
GIMPS The Prime Pages FactorDb.com
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25-07-20