7^499+1

Open composite · C333

NFS Planning

GNFS Murphy estimate: 1.08e-22
SNFS Murphy score: 3.80e-19
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.36580

Identifiers

Target expression: 7^499+1
Target link: FactorDB page
Target ID: 1000000000016829007
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C333
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1) 57004763.2225137807.376854441679.14042261632127.33665913773194081408859244224961115379347591649.C333

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 3.80e-19
Skew: 1.36580
Selected: Best

n: 279745312034319749657244285477395220734702440227353940491010686979548343731605783954882600371854476300847157381947983139093235843993070149306956764961313072200820606248496012313369990239166409734407373195074772526261901673077965999774466740141985502957627546637959634945372305949543163025068475332997630216687433163411926115903131519
# 7^499+1, difficulty: 421.70, skewness: 1.74
# cost: 5.49733e+23, est. time: 261777818.81 GHz days (not accurate yet!)
# Optimized skew: 1.36580 Murphy: 3.80e-19
skew: 1.36580
c7: 1
c0: 49
Y1: -1004525211269079039999221534496697502180541686174722466474743
Y0: 1
type: snfs