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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Exponent Range:










MnStatusDetails
1113599Factored
FactorDigitsBitsDate
30797139777635664312918680160527614336117.92015-03-08 22:01:48
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski14EA0
Verified (Factored)Jack IngleyF50912625485D4EA0
Verified (Factored)2002-05-05S57483F50912625485D4EA545626
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-29Oliver Kruse2F673B20BC4580331013
Verified2017-10-16Oliver Kruse2F673B20BC458033142090313
Verified2018-01-03ATH2F673B20BC458033129165413
P-1 factors
DateFactorB1B2
2015-03-083079713977763566431291868016052761435000000200000000
History
DateUserTypeResult
2022-03-07LordJuliusNF
no factor from 2^58 to 2^60
2018-01-03ATHC-PRP
M1113599/307971397776356643129186801605276143 : 2F673B20BC458033
PRP: Verified
PRP without proof (not generated)
2017-10-16Oliver KruseC-PRP
M1113599/307971397776356643129186801605276143 : 2F673B20BC458033
PRP: Verified
PRP without proof (not generated)
2017-09-29Oliver KruseC-PRP
M1113599/307971397776356643129186801605276143 : 2F673B20BC458033
PRP: Verified
PRP without proof (not generated)
2015-03-08mikrF-PM1
Factor: 307971397776356643129186801605276143 / (P-1, B1=5000000, B2=200000000, E=12)
2014-12-31Matthias WurtingerNF
no factor from 2^64 to 2^65
2014-12-22Matthias WurtingerNF
no factor from 2^63 to 2^64
2012-10-24kurlyNF-PM1
B1=500000, B2=10000000, E=12
2012-10-11dbaughNF
no factor from 2^62 to 2^63
2011-05-09XyzzyNF
no factor from 2^61 to 2^62
2009-02-15Sturle SundeNF
no factor from 2^60 to 2^61