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
977795551Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
212005631367831444.32008-06-02 05:25:05
30029769255749073771961.42015-12-23 19:49:25
History
DateUserTypeResult
2025-05-05yuriy5-1NF
no factor from 2^68 to 2^69
2015-12-23ConductorF
Factor: 3002976925574907377 / TF: 1-62