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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
989702783197940556710 ~2001
989727083197945416710 ~2001
989778011791822408910 ~2003
989781119197956223910 ~2001
989813651197962730310 ~2001
989819471197963894310 ~2001
989866739197973347910 ~2001
989870597593922358310 ~2002
989890459989890459110 ~2003
9899007293167682332911 ~2004
989900963197980192710 ~2001
9899023692177785211911 ~2004
989931011197986202310 ~2001
9900003173762001204711 ~2004
990002537594001522310 ~2002
990015331990015331110 ~2003
9900191093168061148911 ~2004
990021083198004216710 ~2001
990042917594025750310 ~2002
990043319198008663910 ~2001
990045011198009002310 ~2001
990074243198014848710 ~2001
990075791792060632910 ~2003
990102479198020495910 ~2001
990108719198021743910 ~2001
Exponent Prime Factor Digits Year
990118123990118123110 ~2003
990141563198028312710 ~2001
990153551198030710310 ~2001
9901938772376465304911 ~2004
990236003198047200710 ~2001
9902403012970720903111 ~2004
990249443198049888710 ~2001
990258299198051659910 ~2001
990275843198055168710 ~2001
990313283198062656710 ~2001
9903252891386455404711 ~2003
990358139198071627910 ~2001
9904135493763571486311 ~2004
990420839198084167910 ~2001
990422879198084575910 ~2001
990493961792395168910 ~2003
990505673594303403910 ~2002
990568001594340800710 ~2002
990594851198118970310 ~2001
990603623198120724710 ~2001
990618263198123652710 ~2001
990619571792495656910 ~2003
990661687990661687110 ~2003
990690497594414298310 ~2002
990695003198139000710 ~2001
Exponent Prime Factor Digits Year
990708479198141695910 ~2001
990727511198145502310 ~2001
990746579198149315910 ~2001
990760753594456451910 ~2002
990761951198152390310 ~2001
990772151198154430310 ~2001
990792611198158522310 ~2001
990798551198159710310 ~2001
9908565492179884407911 ~2004
9908787291387230220711 ~2003
990895181792716144910 ~2003
990896581594537948710 ~2002
990904991198180998310 ~2001
990967739198193547910 ~2001
991036859198207371910 ~2001
991042589792834071310 ~2003
991071401594642840710 ~2002
991130579198226115910 ~2001
991240307792992245710 ~2003
991240511792992408910 ~2003
9912594592379022701711 ~2004
99135626315068615197712 ~2006
991410011198282002310 ~2001
991410493594846295910 ~2002
991419239198283847910 ~2001
Exponent Prime Factor Digits Year
991423571198284714310 ~2001
991431179198286235910 ~2001
991508519198301703910 ~2001
991518179198303635910 ~2001
991558283198311656710 ~2001
991561693594937015910 ~2002
991586423198317284710 ~2001
991609763198321952710 ~2001
9916597191784987494311 ~2004
991663223198332644710 ~2001
991703819198340763910 ~2001
991730339198346067910 ~2001
991738213595042927910 ~2002
991785419198357083910 ~2001
991815983198363196710 ~2001
991840433595104259910 ~2002
991911419198382283910 ~2001
991918019198383603910 ~2001
991921631198384326310 ~2001
991926371198385274310 ~2001
992023961595214376710 ~2002
992045459198409091910 ~2001
9920853076349345964911 ~2005
9920887192381012925711 ~2004
992092091198418418310 ~2001
3455
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25-04-13