6^439+1

Open composite · C270

NFS Planning

GNFS Murphy estimate: 4.88e-19
SNFS Murphy raw: 1.09e-16
SNFS Murphy normalized (deg 6): 1.09e-16
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 0.96301

Identifiers

Target expression: 6^439+1
Target link: FactorDB page
Target ID: 1100000000024622855
Target changed: Before 6/8/2026
Parent query: Same as target
Parent ID: -
Cofactor token: C270
Imported: Jun 07, 2026, 01:42 AM UTC

Raw pmain126 Factorization

(1) 4631572921.1295193187753.106761339748307922218839.343817007707621462486235847.C270

SNFS Polynomial

Polynomial

Degree: 6
Raw Murphy: 1.09e-16
Normalized (deg 6): 1.09e-16
Skew: 0.96301
Selected: Best

n: 263327641501588817533842644907493837532460428959660817583363424656336129690612369297334794895452530098109490110445836217101918287688353190477164284506392846916127558665087607466158914965100393453950835388080869120533512323711959935956227722142183878998448038851993889399
# 6^439+1, difficulty: 341.61, skewness: 1.35
# cost: 4.74587e+21, est. time: 2259937.80 GHz days (not accurate yet!)
# Optimized skew: 0.96301 Murphy: 1.09e-16
skew: 0.96301
c6: 1
c0: 6
Y1: -638324153542299148846280854514738362441007133779155746816
Y0: 1
type: snfs