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
2936797Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
282637343291134.7old
2788958639031238.02008-09-07 19:42:58
8966321738416777991859.62015-12-03 12:31:04
ECM
DigitsB1Curves
255000050 / 280
Estimated T-Level: 20.9
TF below 2^64 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-30alpertronE2D313326A8B2B5A3013
Verified2017-11-18Oliver KruseE2D313326A8B2B5A315358713
History
DateUserTypeResult
2023-02-09USAFSSNF-PM1
B1=360000, B2=282695490
2017-11-18Oliver KruseC-PRP
M2936797/28263734329/278895863903/896632173841677799 : E2D313326A8B2B5A
PRP: Verified
PRP without proof (not generated)
2017-09-30alpertronC-PRP
M2936797/278895863903/28263734329/896632173841677799 : E2D313326A8B2B5A
PRP: Verified
PRP without proof (not generated)
2015-12-03TJAOIF
Factor: 896632173841677799 / TF: 59-60
2008-09-07Will EdgingtonF
Factor: 278895863903