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
11679277Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
630680959929.2old
28731021431031.42008-09-08 07:38:06
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-10-07LaurVD102B3B59B64FAF52402842753
History
DateUserTypeResult
2025-06-16yuriy_5-1NF
no factor from 2^70 to 2^71
2025-05-07yuriy_5-1NF
no factor from 2^69 to 2^70
2025-03-28yuriy_5-1NF
no factor from 2^68 to 2^69
2025-03-11yuriy_5-1NF-PM1
B1=7007562, B2=453435840
2025-02-10yuriy_5-1NF-PM1
B1=4671708, B2=598008840
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-10-07ky0urakuCERT
PRP Certification
Proof certified good
2021-10-07LaurVC-PRP
M11679277/630680959/2873102143 : D102B3B59B64FAF5
PRP proof power = 8
PRP: Verified
Proof certified good
2008-09-08Will EdgingtonF
Factor: 2873102143