7^472+1

Open composite · C298

NFS Planning

GNFS Murphy estimate: 1.16e-20
SNFS Murphy score: 1.99e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.81263

Identifiers

Target expression: 7^472+1
Target link: FactorDB page
Target ID: 1000000000016828845
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C298
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(8) 2833.1914469036897.1440462430200320517233.5382002329632221814817.369068563771913240142481302692438561.C298

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.99e-18
Skew: 1.81263
Selected: Best

n: 8602856885257697956275440865758686938559421041686127165582630003779339303955660994001060272648127864445282300440141495204292614582237316160439377831522739475689543609373423196388701984437371251723882256114772781321365341735986508971750198393276188381500088524753074951372673411787722212794383230881
# 7^472+1, difficulty: 398.89, skewness: 2.30
# cost: 1.50728e+23, est. time: 71775467.61 GHz days (not accurate yet!)
# Optimized skew: 1.81263 Murphy: 1.99e-18
skew: 1.81263
c7: 1
c0: 343
Y1: -418377847259091645147530834859099334519176045887014771543
Y0: 1
type: snfs