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
977497327Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
175949518871134.02008-06-01 01:38:47
8839097779183671549.72008-06-03 19:13:24
22108880586256997511960.92015-12-23 17:05:07
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 2210888058625699751 / TF: 1-62