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

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MnStatusDetails
128479597Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
14584009420991422230696072580.32024-09-05 05:33:58
P-1 factors
DateFactorB1B2
2024-09-0514584009420991422230696071045000780609060
History
DateUserTypeResult
2024-09-05Luke DurantF-PM1
Factor: 1458400942099142223069607 / (P-1, B1=1045000, B2=780609060)
2023-02-02lobsterfordinnerNF
no factor from 2^76 to 2^77
2023-02-02lobsterfordinnerNF
no factor from 2^75 to 2^76
2022-12-25SRBaseNF
no factor from 2^74 to 2^75
2021-07-13SRBaseNF
no factor from 2^73 to 2^74
2020-11-16SRBaseNF
no factor from 2^72 to 2^73
2015-11-19SourceBinary.comNF
no factor from 2^71 to 2^72
2015-11-16SourceBinary.comNF
no factor from 2^70 to 2^71
2015-11-13La GüiraNF
no factor from 2^69 to 2^70
2015-11-13La GüiraNF
no factor from 2^68 to 2^69
2015-11-13La GüiraNF
no factor from 2^67 to 2^68
2015-01-14el groccoNF
no factor from 2^66 to 2^67
2012-10-06RichardNF
no factor from 2^65 to 2^66
2010-11-08Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-29Torchwood InstituteNF
no factor from 2^63 to 2^64