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
4882499Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
937439809929.8old
5954021049504993771859.02015-10-21 11:32:57
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
Verified2017-09-20kkmrkkblmbrbk77DA45755200856B2013
Verified2018-04-02ATH77DA45755200856B282562913
History
DateUserTypeResult
2023-09-01USAFSSNF-PM1
B1=256000, B2=105522060
2018-04-02ATHC-PRP
M4882499/937439809/595402104950499377 : 77DA45755200856B
PRP: Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M4882499/595402104950499377/937439809 : 77DA45755200856B
PRP: Verified
PRP without proof (not generated)
2015-10-21TJAOIF
Factor: 595402104950499377 / TF: 59-60