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

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MnStatusDetails
131930857Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
428799357227090927718915912685.12024-08-21 01:05:26
P-1 factors
DateFactorB1B2
2024-08-21428799357227090927718915911058000765536310
History
DateUserTypeResult
2024-08-21Luke DurantF-PM1
Factor: 42879935722709092771891591 / (P-1, B1=1058000, B2=765536310)
2023-09-10linamentNF
no factor from 2^76 to 2^77
2023-08-14linamentNF
no factor from 2^75 to 2^76
2023-01-01SRBaseNF
no factor from 2^74 to 2^75
2021-07-22SRBaseNF
no factor from 2^73 to 2^74
2015-12-09ANONYMOUSNF
no factor from 2^72 to 2^73
2015-12-09ANONYMOUSNF
no factor from 2^71 to 2^72
2015-12-09ANONYMOUSNF
no factor from 2^70 to 2^71
2013-01-26VictordeHollanderNF
no factor from 2^69 to 2^70
2012-12-05VictordeHollanderNF
no factor from 2^68 to 2^69
2012-12-05VictordeHollanderNF
no factor from 2^65 to 2^68
2010-11-16Thomas StorkNF
no factor from 2^64 to 2^65
2010-06-03oodairaNF
no factor from 2^63 to 2^64