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:










MnStatusDetails
2479027Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
1024532278571236.6old
ECM
DigitsB1Curves
2550000169 / 280
Estimated T-Level: 23.0
TF below 2^71 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-15kkmrkkblmbrbk1549BE3FD7F63208121995553
Verified2017-11-06Oliver Kruse1549BE3FD7F632081221109153
History
DateUserTypeResult
2019-07-04alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-11-06Oliver KruseC-PRP
M2479027/102453227857 : 1549BE3FD7F63208
PRP: Verified
PRP without proof (not generated)
2017-10-15kkmrkkblmbrbkC-PRP
M2479027/102453227857 : 1549BE3FD7F63208
PRP: Verified
PRP without proof (not generated)