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

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MnStatusDetails
156449737Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1420384723814734777541032476.92024-08-04 14:19:55
P-1 factors
DateFactorB1B2
2024-08-0414203847238147347775410314000001400000
History
DateUserTypeResult
2024-08-04Luke DurantF-PM1
Factor: 142038472381473477754103 / (P-1, B1=1400000)
2023-02-22SRBaseNF
no factor from 2^74 to 2^75
2021-11-18SRBaseNF
no factor from 2^73 to 2^74
2017-01-20nranksNF
no factor from 2^72 to 2^73
2017-01-20nranksNF
no factor from 2^71 to 2^72
2017-01-17guruNF
no factor from 2^70 to 2^71
2017-01-17guruNF
no factor from 2^69 to 2^70
2017-01-17guruNF
no factor from 2^68 to 2^69
2016-05-07DerekNF
no factor from 2^67 to 2^68
2015-04-15taffaNF
no factor from 2^66 to 2^67
2013-02-11RichardNF
no factor from 2^65 to 2^66
2011-01-25oodairaNF
no factor from 2^64 to 2^65