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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
447752213582017699 ~1992
44776799895535998 ~1991
44777123895542478 ~1991
447776114477761119 ~1992
447779772686678639 ~1992
44779439895588798 ~1991
44779811895596238 ~1991
44780783895615678 ~1991
447831914478319119 ~1992
44784251895685038 ~1991
44785943895718878 ~1991
447885896270402479 ~1993
44788619895772398 ~1991
44788811895776238 ~1991
44789243895784878 ~1991
44789411895788238 ~1991
44789639895792798 ~1991
44791391895827838 ~1991
44791403895828078 ~1991
447921413583371299 ~1992
447923532687541199 ~1992
44792771895855438 ~1991
447928376270997199 ~1993
447929117166865779 ~1993
44793503895870078 ~1991
Exponent Prime Factor Digits Year
447937372687624239 ~1992
447950332687701999 ~1992
44795339895906798 ~1991
44795423895908478 ~1991
44795519895910398 ~1991
44795819895916398 ~1991
44796551895931038 ~1991
447970212687821279 ~1992
44797283895945678 ~1991
447974332687845999 ~1992
44797523895950478 ~1991
44797559895951198 ~1991
44797847331504067910 ~1995
44800439896008798 ~1991
44801219896024398 ~1991
44801303896026078 ~1991
44802683896053678 ~1991
448035113584280899 ~1992
44804219896084398 ~1991
44804939896098798 ~1991
44805539896110798 ~1991
44805833143378665710 ~1994
44806103896122078 ~1991
44806259896125198 ~1991
448064932688389599 ~1992
Exponent Prime Factor Digits Year
44807723896154478 ~1991
44808191896163838 ~1991
448104314481043119 ~1992
44810651896213038 ~1991
44813663896273278 ~1991
44814239896284798 ~1991
44814611896292238 ~1991
448146113585168899
44814719896294398 ~1991
44815733134447199110 ~1994
44815943896318878 ~1991
44816543896330878 ~1991
44816699896333998 ~1991
448172998067113839 ~1993
44817659896353198 ~1991
448181212689087279 ~1992
448182612689095679 ~1992
44818523896370478 ~1991
44818703896374078 ~1991
44819171896383438 ~1991
44819843896396878 ~1991
44821811896436238 ~1991
44821811116536708710
44823011896460238 ~1991
44823599896471998 ~1991
Exponent Prime Factor Digits Year
44823899896477998 ~1991
448246932689481599 ~1992
44824823896496478 ~1991
44825699896513998 ~1991
448263499861796799 ~1993
44826583107583799310 ~1993
44827463896549278 ~1991
44828879896577598 ~1991
44829299188283055910 ~1994
44830931116560420710 ~1993
44831483896629678 ~1991
44832563896651278 ~1991
448342132690052799 ~1992
44834579896691598 ~1991
44835431896708638 ~1991
44835779896715598 ~1991
44836619896732398 ~1991
448370693586965539 ~1992
44837363896747278 ~1991
44837759896755198 ~1991
44837783896755678 ~1991
44838383896767678 ~1991
44838763107613031310 ~1993
44838791896775838 ~1991
44839103896782078 ~1991
2168
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26-03-29