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
977207771Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
19544155431030.92008-06-01 01:28:53
1348546723991237.02008-06-01 01:28:53
11515373630396096471960.02015-12-23 16:08:25
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1151537363039609647 / TF: 1-62