11-

11^331-1

Open composite · C344

NFS Planning

GNFS Murphy estimate: 2.49e-23
SNFS Murphy score: 1.13e-16
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.57998

Identifiers

Target expression: 11^331-1
Target link: FactorDB page
Target ID: 1000000000019011999
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C344
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(1) C344

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.13e-16
Skew: 1.57998
Selected: Best

n: 50231805376049596631820685866210796229177935753938552911186809956414816600066561080962695239770426026723364698292328197470387911075676202539623423774798834486148386204131623950780297626046160114576438460656977450890504071673236180892236065865431442427746499804001930166673809250928496230908288781474418503703449380725550307006218226204967040981
# 11^331-1, difficulty: 344.70, skewness: 1.98
# cost: 5.76923e+21, est. time: 2747252.39 GHz days (not accurate yet!)
# Optimized skew: 1.57998 Murphy: 1.13e-16
skew: 1.57998
c7: 1
c0: -121
Y1: -8819748525897469309291246881319182564912256873571
Y0: 1
type: snfs