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
977567839Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
175962211031134.02008-06-11 00:38:20
25867911058876791531961.22015-12-23 17:38:28
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 2586791105887679153 / TF: 1-62