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

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MnStatusDetails
100076227Factored
FactorDigitsBitsDate
48053736388740526528510812582.02020-08-18 02:38:11
P-1 factors
DateFactorB1B2
2020-08-1848053736388740526528510818400000
History
DateUserTypeResult
2020-08-18ky0urakuF-PM1
Factor: 4805373638874052652851081 / (P-1, B1=840000)
2019-12-20KrieselNF
no factor from 2^75 to 2^76
2018-11-26Gordon BowerNF
no factor from 2^74 to 2^75
2018-11-26Gordon BowerNF
no factor from 2^73 to 2^74
2018-11-26Gordon BowerNF
no factor from 2^72 to 2^73
2015-02-19webbertNF
no factor from 2^71 to 2^72
2011-03-19Craig MeyersNF
no factor from 2^70 to 2^71
2011-03-19Craig MeyersNF
no factor from 2^69 to 2^70
2011-03-19Craig MeyersNF
no factor from 2^68 to 2^69
2011-03-19Craig MeyersNF
no factor from 2^67 to 2^68
2011-02-23Craig MeyersNF
no factor from 2^66 to 2^67
2011-01-26Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-09Torchwood InstituteNF
no factor from 2^64 to 2^65