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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
53989945431079798908711 ~2007
53992552191079851043911 ~2007
53992885911079857718311 ~2007
53993410191079868203911 ~2007
53994463191079889263911 ~2007
53997037911079940758311 ~2007
53998405311079968106311 ~2007
54003258831080065176711 ~2007
54003455391080069107911 ~2007
54005935431080118708711 ~2007
54012063831080241276711 ~2007
54015517191080310343911 ~2007
54016739391080334787911 ~2007
54018213711080364274311 ~2007
54018553791080371075911 ~2007
54020058111080401162311 ~2007
54021971031080439420711 ~2007
54025676719724621807911 ~2009
54026405391080528107911 ~2007
54029229711080584594311 ~2007
54032655831080653116711 ~2007
54034108791080682175911 ~2007
54039367431080787348711 ~2007
54039871311080797426311 ~2007
54040049533242402971911 ~2008
Exponent Prime Factor Dig. Year
54040837191080816743911 ~2007
54042194115404219411111 ~2009
540446623730265010927312 ~2011
54044755911080895118311 ~2007
540479938117295358019312 ~2010
54049445697566922396711 ~2009
54049574994323965999311 ~2009
54049585791080991715911 ~2007
540514736925944707371312 ~2010
54051738831081034776711 ~2007
540544531720540692204712 ~2010
540568414911892505127912 ~2010
54057179031081143580711 ~2007
54059628533243577711911 ~2008
54062104578649936731311 ~2009
54062406831081248136711 ~2007
54063673911081273478311 ~2007
54064679391081293587911 ~2007
54065263733243915823911 ~2008
54067665231081353304711 ~2007
54068422373244105342311 ~2008
54069011511081380230311 ~2007
54069013191081380263911 ~2007
54070203315407020331111 ~2009
54070758133244245487911 ~2008
Exponent Prime Factor Dig. Year
54070765791081415315911 ~2007
54070896591081417931911 ~2007
54073939191081478783911 ~2007
540747742947585801375312 ~2011
54076206373244572382311 ~2008
54080394711081607894311 ~2007
54080431431081608628711 ~2007
54080864475408086447111 ~2009
54082624213244957452711 ~2008
540829903712979917688912 ~2010
54083568413245014104711 ~2008
54083732937571722610311 ~2009
54085427394326834191311 ~2009
54086011373245160682311 ~2008
54089643111081792862311 ~2007
54089983518654397361711 ~2009
540903208712981677008912 ~2010
54091705733245502343911 ~2008
54093709791081874195911 ~2007
54094648431081892968711 ~2007
54095705631081914112711 ~2007
54096283191081925663911 ~2007
54097190991081943819911 ~2007
54097851599737613286311 ~2009
54098077311081961546311 ~2007
Exponent Prime Factor Dig. Year
54098665191081973303911 ~2007
54098774391081975487911 ~2007
54099696111081993922311 ~2007
54100730773246043846311 ~2008
54101054391082021087911 ~2007
54102520191082050403911 ~2007
54104717511082094350311 ~2007
54105525711082110514311 ~2007
54107222574328577805711 ~2009
54109440231082188804711 ~2007
54111669831082233396711 ~2007
54112539195411253919111 ~2009
54113233431082264668711 ~2007
54116914875411691487111 ~2009
54120686391082413727911 ~2007
54128496413247709784711 ~2008
54128671431082573428711 ~2007
54129920937578188930311 ~2009
54131660933247899655911 ~2008
54132958194330636655311 ~2009
54133090431082661808711 ~2007
54133434773248006086311 ~2008
54133690013248021400711 ~2008
54133870133248032207911 ~2008
54137433413248246004711 ~2008
4285
GIMPS The Prime Pages FactorDb.com
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25-09-07