7^463-1

Open composite · C374

NFS Planning

GNFS Murphy estimate: 4.54e-25
SNFS Murphy score: 4.57e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.03978

Identifiers

Target expression: 7^463-1
Target link: FactorDB page
Target ID: 1000000000018628791
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C374
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1) 6599603.41011915877. C374

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 4.57e-18
Skew: 1.03978
Selected: Best

n: 11743928731523399469484799158415416638488839925766729417991795190163696161417861059199945593277453813338575138596528484780671982289965848674580552497970165058589229848975787160926055796006498608782377659196395874921339573869620546730877468712050820491522760493321273746242075197666902358333275302813120696947557019698422622853091439476550323509513281514010152358013463017047
# 7^463-1, difficulty: 391.28, skewness: 1.32
# cost: 9.69586e+22, est. time: 46170775.08 GHz days (not accurate yet!)
# Optimized skew: 1.03978 Murphy: 4.57e-18
skew: 1.03978
c7: 1
c0: -7
Y1: -59768263894155949306790119265585619217025149412430681649
Y0: 1
type: snfs