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
81204691Factored
FactorDigitsBitsDate
3722330152927572258834906712788.32017-05-04 19:41:38
P-1 factors
DateFactorB1B2
2017-05-0437223301529275722588349067169000014145000
History
DateUserTypeResult
2017-05-04MersenneMarconiF-PM1
Factor: 372233015292757225883490671 / (P-1, B1=690000, B2=14145000, E=12)
2016-11-01-Anonymous-NF
no factor from 2^74 to 2^75
2016-11-01-Anonymous-NF
no factor from 2^73 to 2^74
2014-01-21processinfoNF
no factor from 2^72 to 2^73
2014-01-21processinfoNF
no factor from 2^71 to 2^72
2013-06-06SMoffatNF
no factor from 2^70 to 2^71
2013-02-27Hollie L Buchanan IINF
no factor from 2^69 to 2^70
2013-01-29SETIKAHNF
no factor from 2^68 to 2^69
2013-01-26rjbelansNF
no factor from 2^67 to 2^68
2011-03-15Pi_RhoNF
no factor from 2^66 to 2^67
2011-03-04Pi_RhoNF
no factor from 2^65 to 2^66
2010-12-12Architects CubedNF
no factor from 2^64 to 2^65