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
977014919Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
23188550248739531651.02008-05-27 23:10:10
42452935238587082891961.92015-12-22 17:10:52
History
DateUserTypeResult
2015-12-22ConductorF
Factor: 4245293523858708289 / TF: 1-62