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
11296379Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
1122897124723131546.7old
1363808067294255291856.92015-05-11 11:40:58
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-07-01Klaus NordmannDC4EF0AADB111AF12987140153
History
DateUserTypeResult
2025-06-16vshNF
no factor from 2^71 to 2^72
2025-06-02vshNF-PM1
B1=10000000, B2=20257605060
2025-04-11vshNF
no factor from 2^70 to 2^71
2025-03-18vshNF
no factor from 2^69 to 2^70
2025-02-16vshNF
no factor from 2^68 to 2^69
2024-06-11vshNF-PM1
B1=312500, B2=124105800
2021-07-01curtiscCERT
PRP Certification
Proof certified good
2021-07-01Klaus NordmannC-PRP
M11296379/112289712472313/136380806729425529 : DC4EF0AADB111AF1
PRP proof power = 8
PRP: Verified
Proof certified good
2015-05-11TJAOIF
Factor: 136380806729425529 / TF: 56-57