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

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MnStatusDetails
128352473Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6302572449557637672484358021773099.02024-08-19 10:07:30
P-1 factors
DateFactorB1B2
2024-08-196302572449557637672484358021771031000740782350
History
DateUserTypeResult
2024-08-19Luke DurantF-PM1
Factor: 630257244955763767248435802177 / (P-1, B1=1031000, B2=740782350)
2024-05-10Naegi MakotoNF
no factor from 2^70 to 2^71
2023-01-14TravisJankNF
no factor from 2^76 to 2^77
2023-01-14TravisJankNF
no factor from 2^75 to 2^76
2022-12-22SRBaseNF
no factor from 2^74 to 2^75
2021-07-25SRBaseNF
no factor from 2^73 to 2^74
2020-11-16SRBaseNF
no factor from 2^72 to 2^73
2015-11-16Per JessenNF
no factor from 2^71 to 2^72
2015-11-04Josh FamestadNF
no factor from 2^70 to 2^71
2015-11-01SourceBinary.comNF
no factor from 2^69 to 2^70
2015-10-26SourceBinary.comNF
no factor from 2^68 to 2^69
2015-10-25SourceBinary.comNF
no factor from 2^67 to 2^68
2015-01-11el groccoNF
no factor from 2^66 to 2^67
2012-09-29sasaki3NF
no factor from 2^65 to 2^66
2010-11-07Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-29Der GrottenolmNF
no factor from 2^63 to 2^64