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
999069959Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
19981399191030.92008-05-05 04:43:27
28084688173323871611961.32015-12-25 11:23:58
History
DateUserTypeResult
2025-03-09mikrNF
no factor from 2^69 to 2^71
2023-02-12onlinegameNF
no factor from 2^68 to 2^69
2022-04-07James HeinrichF
Factor: 2808468817332387161 / TF: 1-67
2022-04-07James HeinrichF
Factor: 1998139919 / TF: 1-67
2021-12-21ViliamFNF
no factor from 2^67 to 2^68
2015-12-25ConductorF
Factor: 2808468817332387161 / TF: 1-62