6^463-1

Open composite · C258

NFS Planning

GNFS Murphy estimate: 2.42e-18
SNFS Murphy score: 4.73e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.02377

Identifiers

Target expression: 6^463-1
Target link: FactorDB page
Target ID: 1100000000013095100
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C258
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1) 11113.24077.5043906204685077747298733.85495385830374364858449506689.3461776071343228466446640906558613527899.C258

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 4.73e-17
Skew: 1.02377
Selected: Best

n: 962978489131243543054398725002571489153354030251211966614603083042119279281713299649728789614681594300218662656559215057041353741755095612475000766929922021657953717423808569975616592017742224684351869345117065847216089245380337689107034227595577787908528281
# 6^463-1, difficulty: 360.28, skewness: 1.29
# cost: 1.51918e+22, est. time: 7234209.49 GHz days (not accurate yet!)
# Optimized skew: 1.02377 Murphy: 4.73e-17
skew: 1.02377
c7: 1
c0: -6
Y1: -2280250319867037997421842330085227917956272625811456
Y0: 1
type: snfs