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

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MnStatusDetails
172588543Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
549694051476162113979397512685.52024-09-25 16:15:41
P-1 factors
DateFactorB1B2
2024-09-255496940514761621139793975110330001033000
History
DateUserTypeResult
2024-09-25Ryan PropperF-PM1
Factor: 54969405147616211397939751 / (P-1, B1=1033000)
2024-09-19SRBaseNF
no factor from 2^75 to 2^76
2023-03-22SRBaseNF
no factor from 2^74 to 2^75
2021-12-30SRBaseNF
no factor from 2^73 to 2^74
2019-03-12Valerio BellizzomiNF
no factor from 2^72 to 2^73
2019-03-11Alvin BunkNF
no factor from 2^71 to 2^72
2018-03-09ZenghuiNF
no factor from 2^70 to 2^71
2016-10-05nate.andersNF
no factor from 2^69 to 2^70
2016-10-01nate.andersNF
no factor from 2^68 to 2^69
2016-06-05tmorrowNF
no factor from 2^67 to 2^68
2015-06-22SnowfireNF
no factor from 2^66 to 2^67
2013-04-06tscNF
no factor from 2^65 to 2^66
2011-02-28Mr-PlonkNF
no factor from 2^64 to 2^65
2010-09-05Architects CubedNF
no factor from 2^63 to 2^64