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
2492957
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
29317174331031.4old
ECM
DigitsB1Curves
2550000145 / 280
Estimated T-Level: 22.6
TF below 2^70 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 KruseD6A89D1A8E7CC4A4155940453
Verified
PRP without proof (not generated)
2017-11-30storm5510D6A89D1A8E7CC4A41100518853
History
DateUserTypeResult
2019-07-04alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-11-30storm5510C-PRPM2492957/2931717433 : D6A89D1A8E7CC4A4
2017-10-14Oliver KruseC-PRPM2492957/2931717433 : D6A89D1A8E7CC4A4