Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
2092229Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
50213497825.6old
30755766311031.52008-07-15 07:50:12
1149137394127050293592166.62020-07-01 08:12:51
ECM
DigitsB1Curves
2550000280 / 280
30250000156 / 640
Estimated T-Level: 26.2
TF below 2^82 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-06Oliver KruseC591C8B8B16B94772013
Verified (Factored)2017-11-19kkmrkkblmbrbkC591C8B8B16B94772178839313
Verified2020-07-01M Miller77470085B0B5C9033176370453
Verified2020-07-02marssystems77470085B0B5C9033100562853
History
DateUserTypeResult
2020-07-02marssystemsC-PRP
M2092229/50213497/3075576631/114913739412705029359 : 77470085B0B5C903
PRP: Verified
PRP without proof (not generated)
2020-07-01M MillerC-PRP
M2092229/50213497/3075576631/114913739412705029359 : 77470085B0B5C903
PRP: Verified
PRP without proof (not generated)
2020-07-01TJAOIF
Factor: 114913739412705029359 / TF: 66-67
2017-11-19kkmrkkblmbrbkC-PRP
M2092229/50213497/3075576631 : C591C8B8B16B9477
PRP: Verified
PRP without proof (not generated)
2017-10-06Oliver KruseC-PRP
M2092229/50213497/3075576631 : C591C8B8B16B9477
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2008-07-15J FeitsmaF
Factor: 3075576631