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
4909147Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
176729292011134.0old
132454382487591443.62008-09-30 21:36:37
22037494704996011651.02014-06-13 11:28:57
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-11-20kkmrkkblmbrbk5D0AD276AC11CF58353346553
Verified2018-04-07GdS5D0AD276AC11CF583257229653
History
DateUserTypeResult
2022-10-04USAFSSNF-PM1
B1=260000, B2=167750730
2018-04-07GdSC-PRP
M4909147/17672929201/13245438248759/2203749470499601 : 5D0AD276AC11CF58
PRP: Verified
PRP without proof (not generated)
2017-11-20kkmrkkblmbrbkC-PRP
M4909147/17672929201/13245438248759/2203749470499601 : 5D0AD276AC11CF58
PRP: Verified
PRP without proof (not generated)
2014-06-13TJAOIF
Factor: 2203749470499601
2008-09-30markrF
Factor: 13245438248759