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

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MnStatusDetails
82335571Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
10168907278860479972938972579.82017-07-31 04:37:44
P-1 factors
DateFactorB1B2
2017-07-3110168907278860479972938977250000
History
DateUserTypeResult
2017-07-31Smok_bmv F-PM1
Factor: 1016890727886047997293897 / (P-1, B1=725000)
2016-12-16Sid & AndyNF
no factor from 2^74 to 2^75
2016-12-16Sid & AndyNF
no factor from 2^73 to 2^74
2016-11-04Judge HaleNF
no factor from 2^72 to 2^73
2016-11-04Judge HaleNF
no factor from 2^71 to 2^72
2014-02-28HobzNF
no factor from 2^70 to 2^71
2013-08-01arnaudNF
no factor from 2^69 to 2^70
2013-07-29JoDuNF
no factor from 2^68 to 2^69
2013-01-30phoenicisNF
no factor from 2^67 to 2^68
2011-03-28Team_InspectorNF
no factor from 2^66 to 2^67
2011-03-13Ake TilanderNF
no factor from 2^65 to 2^66
2010-12-17Architects CubedNF
no factor from 2^64 to 2^65