Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
84052781Factored
FactorDigitsBitsDate
31580431449449573021691132581.42017-10-11 06:44:33
P-1 factors
DateFactorB1B2
2017-10-11315804314494495730216911368500012330000
History
DateUserTypeResult
2017-10-11Smok_bmv F-PM1
Factor: 3158043144944957302169113 / (P-1, B1=685000, B2=12330000)
2017-04-02-Anonymous-NF
no factor from 2^75 to 2^76
2017-02-09endless_mikeNF
no factor from 2^74 to 2^75
2017-02-09endless_mikeNF
no factor from 2^73 to 2^74
2017-01-01Judge HaleNF
no factor from 2^72 to 2^73
2017-01-01Judge HaleNF
no factor from 2^71 to 2^72
2014-08-09Ryan PropperNF
no factor from 2^70 to 2^71
2014-06-03mhskNF
no factor from 2^69 to 2^70
2014-01-20Carsten KossendeyNF
no factor from 2^68 to 2^69
2013-06-29Norman LeyNF
no factor from 2^67 to 2^68
2013-02-16Juergen KampmeierNF
no factor from 2^66 to 2^67
2012-08-08Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-23Architects CubedNF
no factor from 2^64 to 2^65