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

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MnStatusDetails
92620727Factored
FactorDigitsBitsDate
215144511898883009628916378829412235337120.72019-11-21 14:37:14
P-1 factors
DateFactorB1B2
2019-11-21215144511898883009628916378829412235372000013860000
History
DateUserTypeResult
2019-11-21Hans LoeblichF-PM1
Factor: 2151445118988830096289163788294122353 / (P-1, B1=720000, B2=13860000, E=12)
2019-07-22Kevin JagetNF
no factor from 2^76 to 2^77
2019-06-15Strolling JellyfishNF
no factor from 2^75 to 2^76
2019-06-10ixfd64NF
no factor from 2^74 to 2^75
2019-03-16TravisJankNF
no factor from 2^73 to 2^74
2019-01-22DerekNF
no factor from 2^72 to 2^73
2018-05-01Andrew LuebkeNF
no factor from 2^71 to 2^72
2014-09-19shaugeNF
no factor from 2^70 to 2^71
2014-02-17ITSNF
no factor from 2^69 to 2^70
2014-02-12ITSNF
no factor from 2^68 to 2^69
2014-02-07ITSNF
no factor from 2^67 to 2^68
2014-02-05Preben SNF
no factor from 2^66 to 2^67
2013-07-15David CampeauNF
no factor from 2^65 to 2^66
2011-01-01Architects CubedNF
no factor from 2^64 to 2^65