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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
1139491Factored
FactorDigitsBitsDate
795459228213435511416712376.12014-03-09 21:15:07
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 Slowinski49F0
Verified (Factored)Joel SmithF45DCB8060F7249F0
Verified (Factored)2002-06-29S57483F45DCB8060F7249F1026757
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-29Oliver Kruse3E22D83214C4CB831013
Verified2017-10-17Oliver Kruse3E22D83214C4CB83186141213
Verified2018-01-05ATH3E22D83214C4CB83136796613
History
DateUserTypeResult
2022-04-12LordJuliusNF
no factor from 2^63 to 2^64
2022-04-12LordJuliusNF
no factor from 2^62 to 2^63
2022-04-12LordJuliusNF
no factor from 2^61 to 2^62
2022-04-12LordJuliusNF
no factor from 2^1 to 2^61
2022-03-07LordJuliusNF
no factor from 2^58 to 2^60
2018-01-05ATHC-PRP
M1139491/79545922821343551141671 : 3E22D83214C4CB83
PRP: Verified
PRP without proof (not generated)
2017-10-17Oliver KruseC-PRP
M1139491/79545922821343551141671 : 3E22D83214C4CB83
PRP: Verified
PRP without proof (not generated)
2017-09-29Oliver KruseC-PRP
M1139491/79545922821343551141671 : 3E22D83214C4CB83
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=300000, B2=10000000, E=12
2014-03-09bamF-ECM
Factor: 79545922821343551141671
2012-10-21dbaughNF
no factor from 2^62 to 2^63
2012-08-17AxelssonNF
no factor from 2^61 to 2^62
2012-01-30markrNF-PM1
B1=500000, B2=10000000, E=12
2009-02-15Sturle SundeNF
no factor from 2^60 to 2^61