6^439+1

Open composite · C270

NFS Planning

GNFS Murphy estimate: 4.88e-19
SNFS Murphy score: 1.60e-16
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 2.09643

Identifiers

Target expression: 6^439+1
Target link: FactorDB page
Target ID: 1100000000024622855
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C270
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1) 4631572921.1295193187753.106761339748307922218839.343817007707621462486235847.C270

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.60e-16
Skew: 2.09643
Selected: Best

n: 263327641501588817533842644907493837532460428959660817583363424656336129690612369297334794895452530098109490110445836217101918287688353190477164284506392846916127558665087607466158914965100393453950835388080869120533512323711959935956227722142183878998448038851993889399
# 6^439+1, difficulty: 343.16, skewness: 1.67
# cost: 5.23659e+21, est. time: 2493615.68 GHz days (not accurate yet!)
# Optimized skew: 2.09643 Murphy: 1.60e-16
skew: 2.09643
c7: 1
c0: 36
Y1: -1
Y0: 10556714443828879617693714491135314434982743638016
type: snfs