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
977303297Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
58638197831032.42008-06-01 01:33:29
27640007387203073271961.32015-12-23 16:26:13
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 2764000738720307327 / TF: 1-62