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

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MnStatusDetails
83302013Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
16500340218990568382268012580.42017-09-25 16:33:10
P-1 factors
DateFactorB1B2
2017-09-25165003402189905683822680166500012967500
History
DateUserTypeResult
2017-09-25Sergey NosovF-PM1
Factor: 1650034021899056838226801 / (P-1, B1=665000, B2=12967500)
2017-02-19TheJudgerNF
no factor from 2^75 to 2^76
2016-12-26-Anonymous-NF
no factor from 2^74 to 2^75
2016-12-26-Anonymous-NF
no factor from 2^73 to 2^74
2016-12-26-Anonymous-NF
no factor from 2^72 to 2^73
2016-12-26-Anonymous-NF
no factor from 2^71 to 2^72
2014-03-09Steve JacobsonNF
no factor from 2^70 to 2^71
2013-10-16SMoffatNF
no factor from 2^69 to 2^70
2013-10-13SMoffatNF
no factor from 2^68 to 2^69
2013-06-13willmoreNF
no factor from 2^67 to 2^68
2013-06-12willmoreNF
no factor from 2^66 to 2^67
2012-08-30Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-07Architects CubedNF
no factor from 2^64 to 2^65