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
144376847Factored
FactorDigitsBitsDate
177071477359851408556682890907316347404140130.42020-01-19 16:49:05
P-1 factors
DateFactorB1B2
2020-01-191770714773598514085566828909073163474041240000072000000
History
DateUserTypeResult
2020-01-19Roland ClarksonF-PM1
Factor: 1770714773598514085566828909073163474041 / (P-1, B1=2400000, B2=72000000)
2020-01-19Roland ClarksonNF
no factor from 2^72 to 2^78
2017-04-26XyzzyNF
no factor from 2^71 to 2^72
2017-03-04La GüiraNF
no factor from 2^70 to 2^71
2017-03-01La GüiraNF
no factor from 2^69 to 2^70
2017-03-01La GüiraNF
no factor from 2^68 to 2^69
2016-09-04ConductorNF
no factor from 2^67 to 2^68
2015-03-01ANONYMOUSNF
no factor from 2^66 to 2^67
2012-12-23RichardNF
no factor from 2^65 to 2^66
2010-12-23sasaki3NF
no factor from 2^64 to 2^65
2010-06-18Torchwood InstituteNF
no factor from 2^63 to 2^64