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
2692643Composite, with 5 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
5385287722.4old
242337871927.92008-09-07 19:40:59
18094560971030.82008-09-07 19:40:59
19750093893464442731960.82016-03-04 12:14:59
24790386014199221771961.12016-04-01 11:26:18
ECM
DigitsB1Curves
255000058 / 280
Estimated T-Level: 21.0
TF below 2^65 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-30alpertron4EDEECB948E9D27F5013
Verified2017-11-15Oliver Kruse4EDEECB948E9D27F5170825013
History
DateUserTypeResult
2019-07-04alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-11-15Oliver KruseC-PRP
M2692643/5385287/242337871/1809456097/1975009389346444273/2479038601419922177 : 4EDEECB948E9D27F
PRP: Verified
PRP without proof (not generated)
2017-09-30alpertronC-PRP
M2692643/1809456097/1975009389346444273/242337871/2479038601419922177/5385287 : 4EDEECB948E9D27F
PRP: Verified
PRP without proof (not generated)
2016-04-01TJAOIF
Factor: 2479038601419922177 / TF: 61-62
2016-03-04TJAOIF
Factor: 1975009389346444273 / TF: 60-61
2008-09-07Will EdgingtonF
Factor: 1809456097
2008-09-07Will EdgingtonF
Factor: 242337871