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

PrimeNet Exponent Status

Exponent Range:





MnDetails
2489611
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
336246861671135.0old
527246153270945771755.52015-01-31 12:15:04
ECM
DigitsB1Curves
2550000114 / 280
Estimated T-Level: 22.0 ⓘ
TF below 2^68 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-14Oliver Kruse122DC5A7C1CFD9E52178618353
Verified
PRP without proof (not generated)
2017-11-29storm5510122DC5A7C1CFD9E5252429653
History
DateUserTypeResult
2022-08-19USAFSSNF-PM1B1=224000, B2=203668920
2017-11-29storm5510C-PRP
M2489611/33624686167/52724615327094577 : 122DC5A7C1CFD9E5
2017-10-14Oliver KruseC-PRP
M2489611/33624686167/52724615327094577 : 122DC5A7C1CFD9E5
2015-01-31TJAOIFFactor: 52724615327094577