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
977020813Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
293106243911134.82008-05-27 23:16:11
12844360015385001191960.22015-12-22 17:12:01
History
DateUserTypeResult
2015-12-22ConductorF
Factor: 1284436001538500119 / TF: 1-62