Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
1824481Factored
FactorDigitsBitsDate
49136827412471865232749132582.02014-04-27 06:36:55
ECM
DigitsB1Curves
2550000280 / 280
30250000106 / 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)Ken KrieselD9D75FCEDEEB836D0
Verified (Factored)1998-12-06Dylan JonesD9D75FCEDEEB836D1778024
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-04Oliver Kruse9C540E1542CBD3441013
Verified2017-11-06ATH9C540E1542CBD344132015513
History
DateUserTypeResult
2017-11-06ATHC-PRP
M1824481/4913682741247186523274913 : 9C540E1542CBD344
PRP: Verified
PRP without proof (not generated)
2017-10-04Oliver KruseC-PRP
M1824481/4913682741247186523274913 : 9C540E1542CBD344
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2014-04-27Chang Chia-TcheF-ECM
Factor: 4913682741247186523274913
2011-02-11Carsten KossendeyNF-PM1
B1=100000, B2=1675000, E=6
2011-01-21GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-04-10Architects CubedNF
no factor from 2^60 to 2^61