Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
325009Factored
FactorDigitsBitsDate
5948041586223800904979307466493098.92019-03-18 15:40:53
ECM
DigitsB1Curves
2550000280 / 280
30250000460 / 640
Estimated T-Level: 28.6 ⓘ
TF below 2^90 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski33C10
Verified (Factored)Unknown33C10
Verified (Factored)Guillermo Ballester ValorE2EB7E1DF318B3C10
Verified (Factored)Eivind TrielE2EB7E1DF318B3C1206669
Verified (Factored)2002-01-15Dennis PopeE2EB7E1DF318B3C147518
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2019-03-19artorollo447CBE94119C5C6C110564453
Verified2019-03-20Chang Chia-Tche447CBE94119C5C6C12582753
History
DateUserTypeResult
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2019-03-20Chang Chia-TcheC-PRP
M325009/594804158622380090497930746649 : 447CBE94119C5C6C
PRP: Verified
PRP without proof (small exponent)
2019-03-19artorolloC-PRP
M325009/594804158622380090497930746649 : 447CBE94119C5C6C
PRP: Verified
PRP without proof (small exponent)
2019-03-18alexF-ECM
Factor: 594804158622380090497930746649 / (ECM curve 272, B1=250000, B2=25000000, Sigma=8024726571640032)
2018-01-27Gordon SpenceNF
no factor from 2^64 to 2^65
2016-07-11mikrNF-PM1
B1=60000000, B2=3000000000, E=12
2015-12-12Gordon SpenceNF
no factor from 2^63 to 2^64
2015-12-12Gordon SpenceNF
no factor from 2^62 to 2^63
2015-08-24Gordon SpenceNF
no factor from 2^61 to 2^62
2013-03-09Sid & AndyNF
no factor from 2^60 to 2^61
2012-01-15alpertronNF-PM1
B1=10000000, B2=200000000, E=12
2011-08-06JossNF-PM1
B1=1426613
2009-02-06Sturle SundeNF
no factor from 2^59 to 2^60
2008-12-30Sturle SundeNF
no factor from 2^58 to 2^59