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

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MnStatusDetails
42649283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
33591486679086976255565832581.52021-02-13 10:16:04
LL
StatusDateUserResidueShift
Verified (Factored)2008-09-16Will PopovichF85AC34CED3D9B0439634690
Verified (Factored)2017-05-05KamSzuF85AC34CED3D9B0425008000
P-1 factors
DateFactorB1B2
2021-02-133359148667908697625556583200000060000000
History
DateUserTypeResult
2021-02-13ViliamFF-PM1
Factor: 3359148667908697625556583 / (P-1, B1=2000000, B2=60000000)
2020-01-17-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-06-Anonymous-NF
no factor from 2^72 to 2^73
2017-05-05KamSzuC-LL
F85AC34CED3D9B04
2015-08-31-Anonymous-NF
no factor from 2^71 to 2^72
2015-04-05Mark RoseNF
no factor from 2^70 to 2^71
2014-04-08Grant McCrackenNF
no factor from 2^69 to 2^70