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

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MnStatusDetails
127350989Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8582915171676030207871992479.52024-07-17 12:06:46
P-1 factors
DateFactorB1B2
2024-07-1785829151716760302078719911420001142000
History
DateUserTypeResult
2024-07-17Luke DurantF-PM1
Factor: 858291517167603020787199 / (P-1, B1=1142000)
2022-11-01TheJudgerNF
no factor from 2^76 to 2^77
2022-11-01TheJudgerNF
no factor from 2^75 to 2^76
2022-11-01TheJudgerNF
no factor from 2^74 to 2^75
2021-07-15SRBaseNF
no factor from 2^73 to 2^74
2020-11-17SRBaseNF
no factor from 2^72 to 2^73
2016-05-08DerekNF
no factor from 2^71 to 2^72
2016-05-08proxy2222NF
no factor from 2^70 to 2^71
2016-05-08proxy2222NF
no factor from 2^69 to 2^70
2016-04-24DerekNF
no factor from 2^68 to 2^69
2015-08-25el groccoNF
no factor from 2^67 to 2^68
2015-01-06tscNF
no factor from 2^66 to 2^67
2012-09-23GrunwalderGIMPNF
no factor from 2^65 to 2^66
2010-11-05oilwarzonedotcomNF
no factor from 2^64 to 2^65
2010-05-27Torchwood InstituteNF
no factor from 2^63 to 2^64