6^485-1

Open composite · C299

NFS Planning

GNFS Murphy estimate: 1.02e-20
SNFS Murphy score: 4.03e-16
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 0.45335

Identifiers

Target expression: 6^485-1
Target link: FactorDB page
Target ID: 1100000000013095150
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C299
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1,5,97) C299

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 4.03e-16
Skew: 0.45335
Selected: Best

n: 53821370885068171557662888377237855922833727680627201336237452487054520852095395515458789915518360641636865067874575215072614234547017386754742348038384406130075271338558783741831611725115917386930077199164614390944812143148248905289102649947283890508894741366472635762174714778556649959303493366811
# 6^485-1, difficulty: 301.92, skewness: 0.41
# cost: 3.50332e+20, est. time: 166824.58 GHz days (not accurate yet!)
# Optimized skew: 0.45335 Murphy: 4.03e-16
skew: 0.45335
c8: 1296
c6: 216
c4: 36
c2: 6
c0: 1
Y1: -1
Y0: 22452257707354557240087211123792674816
type: snfs