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

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MnStatusDetails
83790901Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1821565035629845849316572477.32017-10-02 10:58:31
P-1 factors
DateFactorB1B2
2017-10-021821565035629845849316576700000
History
DateUserTypeResult
2017-10-02Sergey NosovF-PM1
Factor: 182156503562984584931657 / (P-1, B1=670000)
2017-03-12TheJudgerNF
no factor from 2^75 to 2^76
2017-02-02Brian BeuningNF
no factor from 2^74 to 2^75
2017-01-30Tim SorberaNF
no factor from 2^73 to 2^74
2017-01-19Matthias WurtingerNF
no factor from 2^72 to 2^73
2017-01-19Matthias WurtingerNF
no factor from 2^71 to 2^72
2013-11-10arnaudNF
no factor from 2^70 to 2^71
2013-08-19gbvalorNF
no factor from 2^69 to 2^70
2013-06-13PascalBieriNF
no factor from 2^68 to 2^69
2013-02-21thej_man1042NF
no factor from 2^67 to 2^68
2013-02-15Juergen KampmeierNF
no factor from 2^66 to 2^67
2012-09-13Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-11-30Architects CubedNF
no factor from 2^64 to 2^65