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
7869523Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
78695231826.2old
1411786684123847831857.02015-05-14 11:15:12
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-05-31_p95holder_D30A7C63A4C3F00A2729427353
Verified2019-10-29ATHD30A7C63A4C3F00A2685666753
History
DateUserTypeResult
2024-01-31Stef42NF-PM1
B1=950000, B2=1968826860
2019-10-29ATHC-PRP
M7869523/78695231/141178668412384783 : D30A7C63A4C3F00A
PRP: Verified
PRP without proof (not generated)
2018-05-31_p95holder_C-PRP
M7869523/78695231/141178668412384783 : D30A7C63A4C3F00A
PRP: Verified
PRP without proof (not generated)
2015-05-14TJAOIF
Factor: 141178668412384783 / TF: 56-57