Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
156963791Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
773168959346927400232066.12015-04-24 19:33:58
History
DateUserTypeResult
2015-04-24Alex_soldierF
Factor: 77316895934692740023 / TF: 66-67
2013-02-09Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-01-26runeskNF
no factor from 2^64 to 2^65