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
975704021Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
78056321691032.92008-06-01 00:29:48
15652153827886781291960.42015-12-30 19:54:58
History
DateUserTypeResult
2015-12-30ConductorF
Factor: 1565215382788678129 / TF: 1-62