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

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MnStatusDetails
79485941Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
64810869388157924702818392582.42016-10-03 06:51:18
P-1 factors
DateFactorB1B2
2016-10-0364810869388157924702818396650000
History
DateUserTypeResult
2016-10-03baseyF-PM1
Factor: 6481086938815792470281839 / (P-1, B1=665000)
2016-08-15AirSquirrelsNF
no factor from 2^74 to 2^75
2016-08-15AirSquirrelsNF
no factor from 2^73 to 2^74
2016-08-15AirSquirrelsNF
no factor from 2^72 to 2^73
2014-01-31SRS TechnologyNF
no factor from 2^71 to 2^72
2014-01-31-Anonymous-NF
no factor from 2^71 to 2^72
2013-06-01symalladNF
no factor from 2^70 to 2^71
2013-02-04wangyun183NF
no factor from 2^69 to 2^70
2012-04-08-Anonymous-NF
no factor from 2^68 to 2^69
2011-04-16Carsten KossendeyNF
no factor from 2^67 to 2^68
2011-04-16Carsten KossendeyNF
no factor from 2^66 to 2^67
2011-02-05JMGarciaNF
no factor from 2^65 to 2^66
2010-12-01Architects CubedNF
no factor from 2^64 to 2^65
2009-06-03Architects CubedNF
no factor from 2^63 to 2^64