Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
999217651Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
4956119548971238.92008-05-05 05:01:52
19546367545785411611960.82015-12-25 15:41:59
History
DateUserTypeResult
2025-03-10mikrNF
no factor from 2^69 to 2^71
2022-09-27onlinegameNF
no factor from 2^68 to 2^69
2022-04-07James HeinrichF
Factor: 495611954897 / TF: 1-67
2022-04-07James HeinrichF
Factor: 1954636754578541161 / TF: 1-67
2021-12-21ViliamFNF
no factor from 2^67 to 2^68
2015-12-25ConductorF
Factor: 1954636754578541161 / TF: 1-62