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
31007479Factored
FactorDigitsBitsDate
37342624082215725830945185992891.62021-09-05 20:04:54
ECM
DigitsB1Curves
25500004 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2006-02-01Aaron ZodC3ABB79F3FB169C79166757
Verified (Factored)2013-08-27bamC3ABB79F3FB169C717339480
History
DateUserTypeResult
2021-09-05ATHF-PP1
Start=2/7, B1=300000, B2=10800000, Factor: 3734262408221572583094518599
2019-06-19LaurVNF
no factor from 2^71 to 2^72
2018-12-03ramgeisNF
no factor from 2^70 to 2^71
2013-08-27bamC-LL
C3ABB79F3FB169C7
2013-04-07Architects CubedNF
no factor from 2^69 to 2^70
2012-05-03XyzzyNF
no factor from 2^68 to 2^69