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
2087011Factored
FactorDigitsBitsDate
473880485954915195992065.4old
7490748331825612033050467292789.32022-05-23 18:25:04
ECM
DigitsB1Curves
2550000118 / 280
Estimated T-Level: 22.1
TF below 2^68 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)knut ploder1AE3C7B4DD1823700
Verified (Factored)Phil Nesser1AE3C7B4DD1823700
Verified (Factored)1999-01-17Kai-ming Poon1AE3C7B4DD1823701938783
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-06Oliver Kruse33E8A67CE88D839F1013
Verified (Factored)2017-11-16kkmrkkblmbrbk33E8A67CE88D839F121235613
Verified2022-05-30kutensDEA9F03840EC398C2113489653
History
DateUserTypeResult
2022-05-30kawabeCERT
PRP Certification
Proof certified good
2022-05-30kutensC-PRP
M2087011/47388048595491519599/749074833182561203305046729 : DEA9F03840EC398C
PRP proof power = 7
PRP: Verified
Proof certified good
2022-05-23debrouxlF-ECM
Factor: 749074833182561203305046729 / (ECM curve 6, B1=50000, B2=6350000, Sigma=127358798234009)
2017-11-16kkmrkkblmbrbkC-PRP
M2087011/47388048595491519599 : 33E8A67CE88D839F
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-06Oliver KruseC-PRP
M2087011/47388048595491519599 : 33E8A67CE88D839F
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12