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
11235559Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
74604111771032.8old
3650890631062491548.42014-04-03 10:33:24
12692426521471031650.22014-05-21 11:37:00
8684553089195043671859.62015-11-30 12:55:47
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-06-15tottenhoff8E8422AEE197D8D34435523953
History
DateUserTypeResult
2025-05-28vshNF
no factor from 2^71 to 2^72
2025-04-01vshNF
no factor from 2^70 to 2^71
2025-03-18vshNF-PM1
B1=10000000, B2=20021278200
2025-03-08vshNF
no factor from 2^69 to 2^70
2025-01-31vshNF
no factor from 2^68 to 2^69
2024-05-09vshNF-PM1
B1=2500000, B2=1694815980
2024-04-30vshNF-PM1
B1=1400000, B2=858703560
2024-04-22vshNF-PM1
B1=700000, B2=352517880
2024-04-20vshNF-PM1
B1=350000, B2=153659220
2021-06-16curtiscCERT
PRP Certification
Proof certified good
2021-06-15tottenhoffC-PRP
M11235559/7460411177/365089063106249/1269242652147103/868455308919504367 : 8E8422AEE197D8D3
PRP proof power = 8
PRP: Verified
Proof certified good
2015-11-30TJAOIF
Factor: 868455308919504367 / TF: 59-60
2014-05-21TJAOIF
Factor: 1269242652147103
2014-04-03TJAOIF
Factor: 365089063106249