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
975013807Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
28080397641611341.42008-05-31 23:55:55
20983128072406877691960.92015-12-26 21:01:39
History
DateUserTypeResult
2015-12-26ConductorF
Factor: 2098312807240687769 / TF: 1-65