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

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MnStatusDetails
81004901Factored
FactorDigitsBitsDate
186988822198930043433521832684.02017-05-15 08:31:47
P-1 factors
DateFactorB1B2
2017-05-151869888221989300434335218371500014478750
History
DateUserTypeResult
2017-05-15HardyP GermanyF-PM1
Factor: 18698882219893004343352183 / (P-1, B1=715000, B2=14478750)
2016-09-16-Anonymous-NF
no factor from 2^74 to 2^75
2016-09-16-Anonymous-NF
no factor from 2^73 to 2^74
2016-09-16-Anonymous-NF
no factor from 2^72 to 2^73
2016-09-16-Anonymous-NF
no factor from 2^71 to 2^72
2014-03-01SMoffatNF
no factor from 2^70 to 2^71
2013-10-11-Anonymous-NF
no factor from 2^69 to 2^70
2013-08-09-Anonymous-NF
no factor from 2^68 to 2^69
2013-06-09qwertyuio999NF
no factor from 2^67 to 2^68
2013-04-30c10ck3rNF
no factor from 2^66 to 2^67
2011-02-05UngelovendeNF
no factor from 2^65 to 2^66
2010-11-28Architects CubedNF
no factor from 2^64 to 2^65