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
105883187Factored
FactorDigitsBitsDate
1798170581662030175771917015416132103.82020-07-20 00:49:06
P-1 factors
DateFactorB1B2
2020-07-201798170581662030175771917015416115000001500000
History
DateUserTypeResult
2020-07-20LaurVF-PM1
Factor: 17981705816620301757719170154161 / (P-1, B1=1500000)
2020-05-03TheJudgerNF
no factor from 2^76 to 2^77
2020-05-03TheJudgerNF
no factor from 2^75 to 2^76
2020-02-28LaurVNF
no factor from 2^74 to 2^75
2020-02-12SRS TechnologyNF
no factor from 2^73 to 2^74
2020-01-06ixfd64NF
no factor from 2^72 to 2^73
2015-01-31Preben SNF
no factor from 2^71 to 2^72
2014-06-18Ryan PropperNF
no factor from 2^70 to 2^71
2014-06-18Ryan PropperNF
no factor from 2^69 to 2^70
2014-06-17Ryan PropperNF
no factor from 2^68 to 2^69
2014-06-17Ryan PropperNF
no factor from 2^67 to 2^68
2014-06-16Ryan PropperNF
no factor from 2^66 to 2^67
2012-05-19RichardNF
no factor from 2^65 to 2^66
2010-09-02Mr-PlonkNF
no factor from 2^64 to 2^65
2010-04-21subgeniusNF
no factor from 2^63 to 2^64