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

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MnStatusDetails
117901397Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1870603981079546694012380987791342679596941133.82023-05-13 17:01:42
P-1 factors
DateFactorB1B2
2023-05-13187060398107954669401238098779134267959691000000477526140
History
DateUserTypeResult
2023-05-13Mihai PredaF-PM1
Factor: 18706039810795466940123809877913426795969 / (P-1, B1=1000000, B2=477526140)
2022-03-02La GüiraNF
no factor from 2^76 to 2^77
2021-03-13jwnutterNF
no factor from 2^75 to 2^76
2021-03-13jwnutterNF
no factor from 2^74 to 2^75
2019-11-21Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-11-21Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-08-23cnaTb_xo4yNF
no factor from 2^71 to 2^72
2015-08-20cnaTb_xo4yNF
no factor from 2^70 to 2^71
2015-08-19AirSquirrelsNF
no factor from 2^69 to 2^70
2015-08-10el groccoNF
no factor from 2^68 to 2^69
2015-03-26Judge HaleNF
no factor from 2^67 to 2^68
2014-12-12Jan KuipersNF
no factor from 2^66 to 2^67
2012-07-10KoekieNF
no factor from 2^65 to 2^66
2010-10-20ScoutNF
no factor from 2^64 to 2^65
2010-05-12carlos56NF
no factor from 2^63 to 2^64