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
335428133Factored
FactorDigitsBitsDate
477507629906665368534280020310229760137121.82019-12-21 02:26:34
P-1 factors
DateFactorB1B2
2019-12-21477507629906665368534280020310229760112000000360000000
History
DateUserTypeResult
2019-12-21Roland ClarksonF-PM1
Factor: 4775076299066653685342800203102297601 / (P-1, B1=12000000, B2=360000000)
2019-12-21Roland ClarksonNF
no factor from 2^72 to 2^83
2016-04-01Jacques MOLNENF
no factor from 2^71 to 2^72
2016-04-01Jacques MOLNENF
no factor from 2^70 to 2^71
2016-04-01Jacques MOLNENF
no factor from 2^69 to 2^70
2015-05-29Jacques MOLNENF
no factor from 2^66 to 2^69
2013-07-19LaurVNF
no factor from 2^65 to 2^66
2010-04-21Architects CubedNF
no factor from 2^64 to 2^65