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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
654940523130988104710 ~2000
654956051130991210310 ~2000
654958079130991615910 ~2000
654959303130991860710 ~2000
654968771130993754310 ~2000
654986723130997344710 ~2000
655009391524007512910 ~2001
655018319131003663910 ~2000
655027343131005468710 ~2000
655057883131011576710 ~2000
655059299131011859910 ~2000
655060531655060531110 ~2002
655061783131012356710 ~2000
655062539131012507910 ~2000
655069703131013940710 ~2000
655076843131015368710 ~2000
655081151131016230310 ~2000
655096919131019383910 ~2000
655105739131021147910 ~2000
655105991131021198310 ~2000
655109291131021858310 ~2000
655117271131023454310 ~2000
655119071131023814310 ~2000
655131203131026240710 ~2000
655131473393078883910 ~2001
Exponent Prime Factor Digits Year
655132319131026463910 ~2000
655141387655141387110 ~2002
655160111131032022310 ~2000
6551748373013804250311 ~2003
655195991131039198310 ~2000
6552009071048321451311 ~2002
655207439131041487910 ~2000
655209757393125854310 ~2001
655214471131042894310 ~2000
655220521393132312710 ~2001
655250639131050127910 ~2000
655262761393157656710 ~2001
655262981524210384910 ~2001
655279979131055995910 ~2000
655317671131063534310 ~2000
655367857393220714310 ~2001
655369763131073952710 ~2000
655373423131074684710 ~2000
655383611131076722310 ~2000
655401011131080202310 ~2000
655413119131082623910 ~2000
655419881393251928710 ~2001
655436591131087318310 ~2000
655440563131088112710 ~2000
655440581393264348710 ~2001
Exponent Prime Factor Digits Year
6554413514325912916711 ~2004
655449071524359256910 ~2001
655457903131091580710 ~2000
655465091131093018310 ~2000
655488611131097722310 ~2000
655501499131100299910 ~2000
655514039131102807910 ~2000
655570057393342034310 ~2001
655599419131119883910 ~2000
655610783131122156710 ~2000
655615889524492711310 ~2001
655621859131124371910 ~2000
6556231791573495629711 ~2003
6556321511049011441711 ~2002
6556334991180140298311 ~2002
655639373393383623910 ~2001
655664819131132963910 ~2000
655677761524542208910 ~2001
655698377393419026310 ~2001
655721771131144354310 ~2000
655743059131148611910 ~2000
655743383131148676710 ~2000
655755563131151112710 ~2000
655761413393456847910 ~2001
655768583131153716710 ~2000
Exponent Prime Factor Digits Year
655795571131159114310 ~2000
655854239131170847910 ~2000
655870199131174039910 ~2000
655893503131178700710 ~2000
655894439131178887910 ~2000
655902187655902187110 ~2002
655902881393541728710 ~2001
6559333871049493419311 ~2002
655945319131189063910 ~2000
655966271131193254310 ~2000
6559819392230338592711 ~2003
655985411131197082310 ~2000
655986659131197331910 ~2000
655992899131198579910 ~2000
656001611131200322310 ~2000
656009771131201954310 ~2000
656021123131204224710 ~2000
656052863131210572710 ~2000
656060423131212084710 ~2000
656119463131223892710 ~2000
656167199131233439910 ~2000
656170499131234099910 ~2000
656190541393714324710 ~2001
656193911131238782310 ~2000
656198951131239790310 ~2000
3804
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26-07-05