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
977585971Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
325829404134311444.92008-06-02 06:11:12
17660880846613956411960.62015-12-23 17:43:44
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1766088084661395641 / TF: 1-62