6^518+1

Open composite · C238

NFS Planning

GNFS Murphy estimate: 3.50e-17
SNFS Murphy score: 5.95e-17
Preferred method: Similar
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.41438

Identifiers

Target expression: 6^518+1
Target link: FactorDB page
Target ID: 1100000000024374757
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C238
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(2,14,74) 5756017.308117971495155519433.17494858686431154309326389.14186454573952794092958031255794204712701228601.C238

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 5.95e-17
Skew: 1.41438
Selected: Best

n: 3385446698278401659114559116249077997750969481264192563838090708244146953903858405276518176883654621933337735647503319198629035846785679318183258999795335446356752680702884280626514924310237496647402752986158673254581103639798564454911489
# 6^518+1, difficulty: 345.50, skewness: 1.00
# cost: 6.06639e+21, est. time: 2888757.77 GHz days (not accurate yet!)
# Optimized skew: 1.41438 Murphy: 5.95e-17
skew: 1.41438
c6: 1
c5: -1
c4: 1
c3: -1
c2: 1
c1: -1
c0: 1
Y1: -1
Y0: 3829944921253794893077685127088430174646042802674934480896
type: snfs