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

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MnStatusDetails
82292531Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
207784822627989380545255372684.12017-07-15 18:38:27
P-1 factors
DateFactorB1B2
2017-07-152077848226279893805452553769000012765000
History
DateUserTypeResult
2017-07-15Smok_bmv F-PM1
Factor: 20778482262798938054525537 / (P-1, B1=690000, B2=12765000)
2016-12-09Brian BeuningNF
no factor from 2^74 to 2^75
2016-12-07gcardonaNF
no factor from 2^73 to 2^74
2016-11-02Judge HaleNF
no factor from 2^72 to 2^73
2016-11-02Judge HaleNF
no factor from 2^71 to 2^72
2013-11-02GrunwalderGIMPNF
no factor from 2^70 to 2^71
2013-02-13akacoffeeguyNF
no factor from 2^69 to 2^70
2013-02-13akacoffeeguyNF
no factor from 2^68 to 2^69
2013-02-12-Anonymous-NF
no factor from 2^67 to 2^68
2013-02-01ITSNF
no factor from 2^66 to 2^67
2012-08-15Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-13Architects CubedNF
no factor from 2^64 to 2^65