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
11669753Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
39910555271031.9old
10001908146380274731959.82015-12-15 13:19:52
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-10-06LaurV0B8552E06BA3B7D72394915653
History
DateUserTypeResult
2025-06-13yuriy_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=7001850, B2=453435840
2025-02-10yuriy_5-1NF-PM1
B1=4667900, B2=598008840
2024-06-17yuriy_5-1NF-PM1
B1=262144, B2=137022600
2021-10-06GIMPS-PRIMCERT
PRP Certification
Proof certified good
2021-10-06LaurVC-PRP
M11669753/3991055527/1000190814638027473 : 0B8552E06BA3B7D7
PRP proof power = 8
PRP: Verified
Proof certified good
2015-12-15TJAOIF
Factor: 1000190814638027473 / TF: 59-60