6^503-1

Open composite · C368

NFS Planning

GNFS Murphy estimate: 1.01e-24
SNFS Murphy score: 4.20e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.64064

Identifiers

Target expression: 6^503-1
Target link: FactorDB page
Target ID: 1100000000024699659
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C368
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1) 4493996159.64469929276657. C368

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 4.20e-18
Skew: 1.64064
Selected: Best

n: 17746758848943869957917088915695371278282218224626081591145947574073258872900127010162616582596549547675608932344649889132023609274641486596210209002181500582985543174900326248080497891422213852601358805170019074618299414199181924383757287628054036956246844820772186634466541998673848621989908575960280540270181520251290657226638077529269795603776637533289998236869661
# 6^503-1, difficulty: 392.19, skewness: 1.29
# cost: 1.02229e+23, est. time: 48680471.76 GHz days (not accurate yet!)
# Optimized skew: 1.64064 Murphy: 4.20e-18
skew: 1.64064
c7: 1
c0: -6
Y1: -1
Y0: 106387358923716524807713475752456393740167855629859291136
type: snfs