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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
11675663Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
490377847928.9old
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-10-06mrh4FD966D51CE92C3E1604270453
History
DateUserTypeResult
2025-06-16yuriy_5-1NF
no factor from 2^70 to 2^71
2025-05-06yuriy_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=7005396, B2=453435840
2025-02-10yuriy_5-1NF-PM1
B1=4670264, B2=598008840
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-10-06TaraNNNBCERT
PRP Certification
Proof certified good
2021-10-06mrhC-PRP
M11675663/490377847 : 4FD966D51CE92C3E
PRP proof power = 8
PRP: Verified
Proof certified good