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

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MnStatusDetails
155511271Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
903393436710593943194772072686.22024-08-25 18:10:29
P-1 factors
DateFactorB1B2
2024-08-25903393436710593943194772071263000771122550
History
DateUserTypeResult
2024-08-25Luke DurantF-PM1
Factor: 90339343671059394319477207 / (P-1, B1=1263000, B2=771122550)
2024-08-15SRBaseNF
no factor from 2^75 to 2^76
2023-02-22SRBaseNF
no factor from 2^74 to 2^75
2021-11-15SRBaseNF
no factor from 2^73 to 2^74
2017-09-22BronzemanNF
no factor from 2^72 to 2^73
2017-09-14BronzemanNF
no factor from 2^71 to 2^72
2017-09-04Alexander DresslerNF
no factor from 2^70 to 2^71
2017-08-19La GüiraNF
no factor from 2^69 to 2^70
2017-03-05dinausaur.chNF
no factor from 2^68 to 2^69
2016-05-04Michael BahlenNF
no factor from 2^67 to 2^68
2015-04-19RichardNF
no factor from 2^66 to 2^67
2013-02-04RichardNF
no factor from 2^65 to 2^66
2011-01-23Charles A. MorrisNF
no factor from 2^64 to 2^65