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

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MnStatusDetails
131221633Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1900669998389061659420412477.32024-08-17 18:11:26
P-1 factors
DateFactorB1B2
2024-08-1719006699983890616594204111910001191000
History
DateUserTypeResult
2024-08-17Luke DurantF-PM1
Factor: 190066999838906165942041 / (P-1, B1=1191000)
2024-05-06GregNF
no factor from 2^70 to 2^71
2023-08-21TheJudgerNF
no factor from 2^76 to 2^77
2023-02-20tottenhoffNF
no factor from 2^75 to 2^76
2022-12-27SRBaseNF
no factor from 2^74 to 2^75
2021-07-20SRBaseNF
no factor from 2^73 to 2^74
2020-10-22SRBaseNF
no factor from 2^72 to 2^73
2015-12-14endless_mikeNF
no factor from 2^71 to 2^72
2015-12-12Josh FamestadNF
no factor from 2^70 to 2^71
2012-12-26VictordeHollanderNF
no factor from 2^69 to 2^70
2012-09-03VictordeHollanderNF
no factor from 2^68 to 2^69
2012-09-03VictordeHollanderNF
no factor from 2^65 to 2^68
2010-11-14Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-06-02subgeniusNF
no factor from 2^63 to 2^64