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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
656508591313017199 ~1992
656518195252145539 ~1994
656525511313051039 ~1992
656531631313063279 ~1992
656532711313065439 ~1992
656571831313143679 ~1992
656589591313179199 ~1992
656625111313250239 ~1992
656635315253082499 ~1994
65663821105062113710 ~1994
656666511313333039 ~1992
656672631313345279 ~1992
656676111313352239 ~1992
656678511313357039 ~1992
65667893210137257710 ~1995
656696511313393039 ~1992
656703231313406479 ~1992
656734791313469599 ~1992
656753031313506079 ~1992
656770333940621999 ~1993
656786815254294499 ~1994
656788311313576639 ~1992
656796413940778479 ~1993
656801173940807039 ~1993
656808973940853839 ~1993
Exponent Prime Factor Digits Year
656809431313618879 ~1992
656815191313630399 ~1992
656817111313634239 ~1992
656824133940944799 ~1993
656827311313654639 ~1992
656866396568663919 ~1994
656876275255010179 ~1994
656891333941347999 ~1993
656899191313798399 ~1992
656904413941426479 ~1993
656907591313815199 ~1992
65691187118244136710 ~1994
65693269144525191910 ~1995
656966391313932799 ~1992
656994111313988239 ~1992
656995191313990399 ~1992
657000231314000479 ~1992
657000831314001679 ~1992
657001276570012719 ~1994
657005391314010799 ~1992
657009231314018479 ~1992
657018413942110479 ~1993
657019636570196319 ~1994
657024711314049439 ~1992
657029631314059279 ~1992
Exponent Prime Factor Digits Year
657041391314082799 ~1992
657056391314112799 ~1992
65707129420525625710 ~1996
657072831314145679 ~1992
657080591852967263911 ~1997
657085431314170879 ~1992
657091791314183599 ~1992
657102231314204479 ~1992
657140391314280799 ~1992
657159831314319679 ~1992
657175015257400099 ~1994
657184791314369599 ~1992
65719453105151124910 ~1994
657227933943367599 ~1993
657230391314460799 ~1992
657234591314469199 ~1992
657243831314487679 ~1992
657257031314514079 ~1992
657257391314514799 ~1992
657257836572578319 ~1994
657260575258084579 ~1994
65726137105161819310 ~1994
657261591314523199 ~1992
657273231314546479 ~1992
657278695258229539 ~1994
Exponent Prime Factor Digits Year
657280813943684879 ~1993
657290391314580799 ~1992
657312711314625439 ~1992
65733023433837951910 ~1996
657366591314733199 ~1992
657383631314767279 ~1992
657414111314828239 ~1992
657429591314859199 ~1992
657430311314860639 ~1992
657435711314871439 ~1992
657462231314924479 ~1992
657473031314946079 ~1992
657483591314967199 ~1992
657518631315037279 ~1992
657520791315041599 ~1992
657567591315135199 ~1992
657568191315136399 ~1992
657570175260561379 ~1994
657591196575911919 ~1994
657592791315185599 ~1992
657633115261064899 ~1994
657679311315358639 ~1992
657693295261546339 ~1994
657703871170712888711 ~1997
657709311315418639 ~1992
2189
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25-04-20