Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
74683031Factored
FactorDigitsBitsDate
446643502483809044768191932685.22016-02-27 03:35:30
P-1 factors
DateFactorB1B2
2016-02-27446643502483809044768191936150000
History
DateUserTypeResult
2022-06-02LordJuliusNF
no factor from 2^1 to 2^64
2016-02-27Jwb52zF-PM1
Factor: 44664350248380904476819193 / (P-1, B1=615000)
2016-02-16AirSquirrelsNF
no factor from 2^74 to 2^75
2016-02-16AirSquirrelsNF
no factor from 2^73 to 2^74
2016-02-16AirSquirrelsNF
no factor from 2^72 to 2^73
2015-08-26FredrikNF
no factor from 2^71 to 2^72
2013-07-05Le ComteNF
no factor from 2^70 to 2^71
2013-05-13PascalBieriNF
no factor from 2^69 to 2^70
2010-11-18-Anonymous-NF
no factor from 2^68 to 2^69
2010-11-15Charles A. MorrisNF
no factor from 2^67 to 2^68
2010-09-11-Anonymous-NF
no factor from 2^66 to 2^67
2010-09-09-Anonymous-NF
no factor from 2^65 to 2^66
2010-09-09birkovvNF
no factor from 2^64 to 2^65