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
91749521Factored
FactorDigitsBitsDate
6192290422375866761964012479.02019-07-09 16:10:26
P-1 factors
DateFactorB1B2
2019-07-0961922904223758667619640170000012250000
History
DateUserTypeResult
2019-07-09Jwb52zF-PM1
Factor: 619229042237586676196401 / (P-1, B1=700000, B2=12250000)
2019-04-08TravisJankNF
no factor from 2^76 to 2^77
2019-01-13TheJudgerNF
no factor from 2^75 to 2^76
2019-01-13TheJudgerNF
no factor from 2^74 to 2^75
2018-07-28Tim SorberaNF
no factor from 2^73 to 2^74
2018-07-071997rj7NF
no factor from 2^72 to 2^73
2018-03-12gcardonaNF
no factor from 2^71 to 2^72
2014-11-21Houd Al-ObaidliNF
no factor from 2^70 to 2^71
2014-09-30workerthreadNF
no factor from 2^69 to 2^70
2014-09-24workerthreadNF
no factor from 2^68 to 2^69
2014-09-20workerthreadNF
no factor from 2^67 to 2^68
2013-08-29Norman LeyNF
no factor from 2^66 to 2^67
2013-06-20David CampeauNF
no factor from 2^65 to 2^66
2010-12-30Architects CubedNF
no factor from 2^64 to 2^65