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

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MnStatusDetails
172102661Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
583814813115544119572172375.62024-09-19 08:01:31
History
DateUserTypeResult
2025-06-03GregF
Factor: 58381481311554411957217 / TF: 75-76
2024-09-19SRBaseF
Factor: 58381481311554411957217 / TF: 75-76*
2023-03-22SRBaseNF
no factor from 2^74 to 2^75
2018-04-14AyczlyNF
no factor from 2^73 to 2^74
2018-04-14AyczlyNF
no factor from 2^72 to 2^73
2018-04-09Johan ViljoenNF
no factor from 2^71 to 2^72
2018-03-20Johan ViljoenNF
no factor from 2^70 to 2^71
2018-03-14Johan ViljoenNF
no factor from 2^69 to 2^70
2015-04-03mikrNF
no factor from 2^68 to 2^69
2015-04-03mikrNF
no factor from 2^66 to 2^68
2013-04-04Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-02-26sannerud.comNF
no factor from 2^64 to 2^65
2010-07-12subgeniusNF
no factor from 2^63 to 2^64