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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
646182231292364479 ~1992
646188111292376239 ~1992
646191111292382239 ~1992
646194591292389199 ~1992
646199391292398799 ~1992
646201311292402639 ~1992
646206231292412479 ~1992
646220939047093039 ~1994
646221676462216719 ~1994
646225333877351999 ~1993
64623661103397857710 ~1994
64625831116326495910 ~1994
646279036462790319 ~1994
646281111292562239 ~1992
646298631292597279 ~1992
646302111292604239 ~1992
646302831292605679 ~1992
64630931116335675910 ~1994
646321311292642639 ~1992
646324791292649599 ~1992
646332773877996639 ~1993
646334511292669039 ~1992
646345791292691599 ~1992
646372311292744639 ~1992
646391631292783279 ~1992
Exponent Prime Factor Digits Year
64640203155136487310 ~1995
646403991292807999 ~1992
646412533878475199 ~1993
646416111292832239 ~1992
646432795171462339 ~1993
64645457193936371110 ~1995
646461173878767039 ~1993
646469991292939999 ~1992
646500111293000239 ~1992
646501911293003839 ~1992
646507373879044239 ~1993
646515111293030239 ~1992
646522791293045599 ~1992
646523515172188099 ~1993
646535095172280739 ~1993
64653917155169400910 ~1995
646543191293086399 ~1992
646556631293113279 ~1992
646564791293129599 ~1992
646579975172639779 ~1993
646588311293176639 ~1992
646609973879659839 ~1993
646614831293229679 ~1992
646615431293230879 ~1992
646635231293270479 ~1992
Exponent Prime Factor Digits Year
646635591293271199 ~1992
646666195173329539 ~1993
646675975173407779 ~1993
646695231293390479 ~1992
646698831293397679 ~1992
646708431293416879 ~1992
646718511293437039 ~1992
646727391293454799 ~1992
646730391293460799 ~1992
646744191293488399 ~1992
64674541103479265710 ~1994
646747191293494399 ~1992
64676761258707044110 ~1995
646768791293537599 ~1992
646775511293551039 ~1992
646807431293614879 ~1992
646810311293620639 ~1992
646837276468372719 ~1994
646840516468405119 ~1994
646853933881123599 ~1993
646862391293724799 ~1992
64686389194059167110 ~1995
646873911293747839 ~1992
646876311293752639 ~1992
64688257155251816910 ~1995
Exponent Prime Factor Digits Year
646893231293786479 ~1992
646924499056942879 ~1994
646927373881564239 ~1993
646935111293870239 ~1992
646990911293981839 ~1992
646995591293991199 ~1992
64700549310562635310 ~1995
647016831294033679 ~1992
647018933882113599 ~1993
647024813882148879 ~1993
647031231294062479 ~1992
647031316470313119 ~1994
647035675176285379 ~1993
647064591294129199 ~1992
647082475176659779 ~1993
647106231294212479 ~1992
647114213882685279 ~1993
647119311294238639 ~1992
647122431294244879 ~1992
647131933882791599 ~1993
647139831294279679 ~1992
647155311294310639 ~1992
647165813882994879 ~1993
647170075177360579 ~1993
647214831294429679 ~1992
2190
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25-05-04