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
1112341Factored
FactorDigitsBitsDate
43862728912804440992027772581.92013-12-08 13:23:56
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 Slowinski6F10
Verified (Factored)Jack Ingley30DA144F29EDE6F10
Verified (Factored)2002-04-28S5748330DA144F29EDE6F1849675
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-29Oliver Kruse96D3F5CA60B5D1171013
Verified2017-10-16Oliver Kruse96D3F5CA60B5D117117704813
Verified2018-01-03ATH96D3F5CA60B5D117156399313
History
DateUserTypeResult
2022-03-07LordJuliusNF
no factor from 2^58 to 2^60
2018-01-03ATHC-PRP
M1112341/4386272891280444099202777 : 96D3F5CA60B5D117
PRP: Verified
PRP without proof (not generated)
2017-10-16Oliver KruseC-PRP
M1112341/4386272891280444099202777 : 96D3F5CA60B5D117
PRP: Verified
PRP without proof (not generated)
2017-09-29Oliver KruseC-PRP
M1112341/4386272891280444099202777 : 96D3F5CA60B5D117
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=300000, B2=10000000, E=12
2013-12-08jim f in mnF-ECM
Factor: 4386272891280444099202777
2012-10-23kurlyNF-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
2009-01-14Architects CubedNF
no factor from 2^60 to 2^61