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
2545357
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
4494094204948140071858.6old
ECM
DigitsB1Curves
2550000130 / 280
Estimated T-Level: 22.3
TF below 2^69 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
Factoredphil kenny54A742F8471E81240Windows 16-bit,Prime95,v14,(aka WQ0)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-14Oliver Kruse6AE2CB36361847741206124053
Verified
PRP without proof (not generated)
2017-12-01storm55106AE2CB3636184774111010453
History
DateUserTypeResult
2022-08-25USAFSSNF-PM1B1=300000, B2=259451010
2017-12-01storm5510C-PRPM2545357/449409420494814007 : 6AE2CB3636184774
2017-10-14Oliver KruseC-PRPM2545357/449409420494814007 : 6AE2CB3636184774
1999-03-15Ethan O'ConnorFFactor: 449409420494814007