Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
15109387Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
7569961861019695991859.4old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-06-17XZTCA00D247A91AF7A4145752353
History
DateUserTypeResult
2023-06-17S00030CERT
PRP Certification
Proof certified good
2023-06-17XZTC-PRP
M15109387/756996186101969599 : CA00D247A91AF7A4
PRP proof power = 8
PRP: Verified
Proof certified good
2023-05-22JacobZNF-PM1
B1=493000, B2=882240450