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
999224749Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
1978465003031237.52008-05-05 05:04:53
39089672180891341.82012-06-13 11:36:13
18792473732641466091960.72015-12-25 15:43:13
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: 1879247373264146609 / TF: 1-67
2022-04-07James HeinrichF
Factor: 3908967218089 / TF: 1-67
2022-04-07James HeinrichF
Factor: 197846500303 / TF: 1-67
2021-12-21ViliamFNF
no factor from 2^67 to 2^68
2015-12-25ConductorF
Factor: 1879247373264146609 / TF: 1-62
2012-06-13TF to low limitsF
Factor: 3908967218089