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

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MnStatusDetails
131245643Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5051888769787389749080273398013098.72024-08-17 21:02:23
P-1 factors
DateFactorB1B2
2024-08-175051888769787389749080273398011058000765536310
History
DateUserTypeResult
2024-08-17Luke DurantF-PM1
Factor: 505188876978738974908027339801 / (P-1, B1=1058000, B2=765536310)
2023-06-231997rj7NF
no factor from 2^76 to 2^77
2023-02-281997rj7NF
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
2020-10-20SRBaseNF
no factor from 2^72 to 2^73
2016-11-30manskyNF
no factor from 2^71 to 2^72
2016-11-24proxy2222NF
no factor from 2^70 to 2^71
2012-12-31VictordeHollanderNF
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
2010-06-07RichardNF
no factor from 2^63 to 2^64