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
977137583Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
703539059771136.02008-06-01 01:25:51
13457485090635415211960.22015-12-23 14:45:53
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1345748509063541521 / TF: 1-62