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
975018641Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
392249999274311445.22008-06-01 22:56:56
196969039636520585512064.12015-12-27 10:07:01
History
DateUserTypeResult
2025-06-10mikrNF
no factor from 2^68 to 2^71
2015-12-27ConductorF
Factor: 19696903963652058551 / TF: 1-65