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

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MnStatusDetails
117744587Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21615746026162116926616696059074228908139127.32023-04-27 09:38:26
P-1 factors
DateFactorB1B2
2023-04-272161574602616211692661669605907422890814600009545000
History
DateUserTypeResult
2023-04-27Sebastian HornbostelF-PM1
Factor: 216157460261621169266166960590742289081 / (P-1, B1=460000, B2=9545000, e=6, n=6480K)
2022-05-08TheJudgerNF
no factor from 2^76 to 2^77
2021-02-23jwnutterNF
no factor from 2^75 to 2^76
2021-02-23jwnutterNF
no factor from 2^74 to 2^75
2019-12-08Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-12-08Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-06-27Ryan PropperNF
no factor from 2^71 to 2^72
2015-06-27Ryan PropperNF
no factor from 2^70 to 2^71
2015-04-26William WallaceNF
no factor from 2^69 to 2^70
2015-04-19SMoffatNF
no factor from 2^68 to 2^69
2015-03-22SMoffatNF
no factor from 2^67 to 2^68
2014-12-11Mr-PlonkNF
no factor from 2^66 to 2^67
2012-07-18RichardNF
no factor from 2^65 to 2^66
2010-10-12Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-12sasaki3NF
no factor from 2^63 to 2^64