Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
31747241Factored
FactorDigitsBitsDate
371139325972238650014412375.02019-12-22 15:47:29
LL
StatusDateUserResidueShift
Verified (Factored)2007-07-24C. Cooper / S. Boone89AD7B7EFD4E966126216659
Verified (Factored)2014-02-12andrea.biancalana89AD7B7EFD4E966116681906
P-1 factors
DateFactorB1B2
2019-12-22371139325972238650014413950007406250
History
DateUserTypeResult
2019-12-22Architects CubedF-PM1
Factor: 37113932597223865001441 / (P-1, B1=395000, B2=7406250, E=12)
2019-11-29-Anonymous-NF
no factor from 2^72 to 2^73
2019-11-29-Anonymous-NF
no factor from 2^71 to 2^72
2018-10-28ramgeisNF
no factor from 2^70 to 2^71
2014-02-12andrea.biancalanaC-LL
89AD7B7EFD4E9661
2013-04-08bcp19NF
no factor from 2^69 to 2^70
2012-05-29XyzzyNF
no factor from 2^68 to 2^69