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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.
Exp. Prime Factor Digits Year
5127203102544078 ~1983
5127341307640478 ~1985
5127481820396978 ~1986
5127839410227138 ~1985
5127971102559438 ~1983
51282971538489119 ~1986
5128337307700238 ~1985
5128337410266978
5128351923103198 ~1986
5128391102567838 ~1983
5128523102570478 ~1983
5128583102571678 ~1983
5128691102573838 ~1983
5128817718034398 ~1985
5128859102577198 ~1983
5128867923196078 ~1986
5129129410330338 ~1985
5129171102583438 ~1983
51291771538753119 ~1986
5129197307751838 ~1985
5129279102585598 ~1983
5129309410344738 ~1985
5129381307762878 ~1985
5129557307773438 ~1985
5129953307797198 ~1985
Exp. Prime Factor Digits Year
5130017307801038 ~1985
5130067513006718 ~1985
5130557410444578 ~1985
5130577307834638 ~1985
5130683102613678 ~1983
5130743102614878 ~1983
5130857307851438 ~1985
5131019102620398 ~1983
5131163102623278 ~1983
5131177307870638 ~1985
5131207820993138 ~1986
5131211410496898 ~1985
5131543821046898 ~1986
5131631410530498 ~1985
5131799102635998 ~1983
5131823102636478 ~1983
5131961307917678 ~1985
5132053307923198 ~1985
5132221307933278 ~1985
5132273307936398 ~1985
5132497821199538 ~1986
5132537410602978 ~1985
51325372463617779
5132581307954878 ~1985
5132591102651838 ~1983
Exp. Prime Factor Digits Year
5132597410607778 ~1985
5132957307977438 ~1985
5132993307979598 ~1985
5132999102659998 ~1983
5133263102665278 ~1983
5133277307996638 ~1985
5133559513355918 ~1985
5133617308017038 ~1985
5133637821381938 ~1986
5133697308021838 ~1985
5133977410718178 ~1985
5134043102680878 ~1983
5134079924134238 ~1986
5134253308055198 ~1985
51343691540310719 ~1986
5134691410775298 ~1985
5134751102695038 ~1983
5134793718871038 ~1985
5135219382060293710 ~1990
5135231410818498 ~1985
51352316162277219
5135297308117838 ~1985
5135443513544318 ~1985
51356532773252639 ~1987
5135743513574318 ~1985
Exp. Prime Factor Digits Year
5136361308181678 ~1985
5136401410912098 ~1985
5136493308189598 ~1985
5136611102732238 ~1983
5136611410928898
5137019102740398 ~1983
5137513308250798 ~1985
5137739102754798 ~1983
5137871102757438 ~1983
5137943102758878 ~1983
5137963822074098 ~1986
5138053308283198 ~1985
51382074110565619 ~1987
5138503513850318 ~1985
5138663102773278 ~1983
51386774008168079 ~1987
5138849411107938 ~1985
5138923513892318 ~1985
5139371102787438 ~1983
5139479102789598 ~1983
5139551102791038 ~1983
5139791102795838 ~1983
5140067411205378 ~1985
5140073719610238 ~1985
5140153308409198 ~1985
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25-06-29