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
977964359Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
19559287191030.92008-06-01 01:58:29
69415910201831342.72008-06-01 01:58:29
19256445279550936791960.72015-12-29 08:52:16
History
DateUserTypeResult
2015-12-29ConductorF
Factor: 1925644527955093679 / TF: 1-62