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

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MnStatusDetails
131068831Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
389298751347969720977724892685.02024-08-16 22:08:18
P-1 factors
DateFactorB1B2
2024-08-163892987513479697209777248910580001058000
History
DateUserTypeResult
2024-08-16Luke DurantF-PM1
Factor: 38929875134796972097772489 / (P-1, B1=1058000)
2023-06-17ZbiGNF
no factor from 2^76 to 2^77
2023-03-18tottenhoffNF
no factor from 2^75 to 2^76
2022-12-26SRBaseNF
no factor from 2^74 to 2^75
2021-07-20SRBaseNF
no factor from 2^73 to 2^74
2021-05-28ViliamFNF
no factor from 2^71 to 2^72
2020-10-22SRBaseNF
no factor from 2^72 to 2^73
2015-11-24Josh FamestadNF
no factor from 2^71 to 2^72
2014-07-11Andreas_TruetschNF
no factor from 2^70 to 2^71
2012-12-11VictordeHollanderNF
no factor from 2^69 to 2^70
2012-08-20VictordeHollanderNF
no factor from 2^68 to 2^69
2012-08-20VictordeHollanderNF
no factor from 2^65 to 2^68
2010-11-14Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-08-02sasaki3NF
no factor from 2^63 to 2^64