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

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MnStatusDetails
42047539Factored
FactorDigitsBitsDate
2953904905079524538291096734333097.92018-10-21 21:46:40
LL
StatusDateUserResidueShift
Bad2008-06-03Ahmer AliAB3AE883BA8DB9E618791583
Verified (Factored)2017-12-13Mark Rose034D3CC270597A6920942181
Verified (Factored)2017-12-17GrunwalderGIMP034D3CC270597A6929794356
P-1 factors
DateFactorB1B2
2018-10-2129539049050795245382910967343356500011441250
History
DateUserTypeResult
2018-10-21Architects CubedF-PM1
Factor: 295390490507952453829109673433 / (P-1, B1=565000, B2=11441250, E=12)
2018-08-10-Anonymous-NF
no factor from 2^72 to 2^73
2017-12-17GrunwalderGIMPC-LL
034D3CC270597A69
2017-12-13Mark RoseC-LL
034D3CC270597A69
2015-08-26-Anonymous-NF
no factor from 2^71 to 2^72
2015-02-27Mark RoseNF
no factor from 2^70 to 2^71
2015-01-17chalsallNF
no factor from 2^69 to 2^70