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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
74227499Factored
FactorDigitsBitsDate
56028794095804842121209314781339033736118.82015-07-05 15:12:42
P-1 factors
DateFactorB1B2
2015-07-0556028794095804842121209314781339033764500012900000
History
DateUserTypeResult
2015-07-05TheJudgerF-PM1
Factor: 560287940958048421212093147813390337 / (P-1, B1=645000, B2=12900000, E=12)
2015-06-29RichD0NF
no factor from 2^74 to 2^75
2015-06-22Guido LorenziniNF
no factor from 2^73 to 2^74
2015-06-18BdotNF
no factor from 2^72 to 2^73
2015-06-05RichD0NF
no factor from 2^71 to 2^72
2013-06-03W. OleinikNF
no factor from 2^70 to 2^71
2012-10-29Clown_RoyalNF
no factor from 2^69 to 2^70
2010-10-09-Anonymous-NF
no factor from 2^68 to 2^69
2010-09-10-Anonymous-NF
no factor from 2^67 to 2^68
2010-09-05-Anonymous-NF
no factor from 2^66 to 2^67
2010-08-29David L VannNF
no factor from 2^65 to 2^66
2010-08-25Net_ForceNF
no factor from 2^64 to 2^65
2008-09-12lycornNF
no factor to 2^64