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

PrimeNet Exponent Status

Exponent Range:





MnDetails
2295803
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
4591607722.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000125 / 640
Estimated T-Level: 26.0 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-11Oliver Kruse916AE1DFD3AE95AB1013
Verified
PRP without proof (not generated)
2017-11-22storm5510916AE1DFD3AE95AB145063413
History
DateUserTypeResult
2017-11-22storm5510C-PRPM2295803/4591607 : 916AE1DFD3AE95AB
2017-10-11Oliver KruseC-PRPM2295803/4591607 : 916AE1DFD3AE95AB
2016-04-27alpertronNF-PM1B1=500000, B2=15000000, E=12