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

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MnStatusDetails
88305571Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
13044832285847948128942872580.12018-07-26 11:19:37
P-1 factors
DateFactorB1B2
2018-07-26130448322858479481289428772500013956250
History
DateUserTypeResult
2018-07-26ky0urakuF-PM1
Factor: 1304483228584794812894287 / (P-1, B1=725000, B2=13956250, E=6)
2018-07-21FredrikNF
no factor from 2^75 to 2^76
2018-07-21FredrikNF
no factor from 2^74 to 2^75
2017-07-21RichD0NF
no factor from 2^73 to 2^74
2017-07-11Matthias WurtingerNF
no factor from 2^72 to 2^73
2014-01-23Juergen KampmeierNF
no factor from 2^71 to 2^72
2013-08-02PEDNF
no factor from 2^70 to 2^71
2011-11-24wavelet3000NF
no factor from 2^69 to 2^70
2011-11-24wavelet3000NF
no factor from 2^68 to 2^69
2011-04-20wavelet3000NF
no factor from 2^67 to 2^68
2011-04-12wavelet3000NF
no factor from 2^66 to 2^67
2011-03-16wavelet3000NF
no factor from 2^65 to 2^66
2010-11-13Architects CubedNF
no factor from 2^64 to 2^65