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
977182573Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
1073102814365691546.62008-06-02 06:09:15
15918796848710609531960.52015-12-23 16:02:15
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1591879684871060953 / TF: 1-62