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

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MnStatusDetails
65047649Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2510972925666153146176072477.72022-11-28 02:14:48
LL
StatusDateUserResidueShift
Verified (Factored)2013-12-30arnaud4A147819C8E5729517916972
Verified (Factored)2022-11-27Ryan PropperEC207C39101C92145333838
P-1 factors
DateFactorB1B2
2022-11-2825109729256661531461760710900001057582890
History
DateUserTypeResult
2022-11-30riccardo ubertiNF-PM1
B1=1250000, B2=37500000
2022-11-28Runtime ErrorF-PM1
Factor: 251097292566615314617607 / (P-1, B1=1090000, B2=1057582890)
2022-11-27Ryan PropperC-LL
EC207C39101C9214
2022-09-13La GüiraNF
no factor from 2^74 to 2^75
2016-03-28Mark RoseNF
no factor from 2^60 to 2^64
2013-12-30arnaudC-LL
4A147819C8E57295
2013-09-16Charlie_TangoNF-PM1
B1=575000, B2=10062500
2013-09-09ChuckNF
no factor from 2^73 to 2^74
2013-07-31Kyle AskineNF
no factor from 2^72 to 2^73
2013-07-31Kyle AskineNF
no factor from 2^71 to 2^72
2013-03-29SMoffatNF
no factor from 2^70 to 2^71
2012-01-23tmorrowNF
no factor from 2^69 to 2^70
2010-07-30-Anonymous-NF
no factor from 2^68 to 2^69
2010-06-17-Anonymous-NF
no factor from 2^67 to 2^68
2010-06-09NoWhereManNF
no factor from 2^66 to 2^67
2010-05-24GrunwalderGIMPNF
no factor from 2^65 to 2^66
2009-11-14-Anonymous-NF
no factor from 2^64 to 2^65