7^488+1

Open composite · C332

NFS Planning

GNFS Murphy estimate: 1.24e-22
SNFS Murphy score: 6.90e-19
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 2.22280

Identifiers

Target expression: 7^488+1
Target link: FactorDB page
Target ID: 1000000000016828941
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C332
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(8) 99180319621256714316720147889.2434550108369481342519424446560590079207638609.C332

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 6.90e-19
Skew: 2.22280
Selected: Best

n: 18374473777735935707826107129784853856513486856634873903799719448889395874194493550021012615478986116026154100886117692656124237192285252892099771959215587371031608377322272185690846032495208568103499003450109964953905617287861104682349012115806860607588044826431210387969486477292878633340111444475497363379853533484220767210057601
# 7^488+1, difficulty: 414.10, skewness: 1.74
# cost: 3.58852e+23, est. time: 170881700.41 GHz days (not accurate yet!)
# Optimized skew: 2.22280 Murphy: 6.90e-19
skew: 2.22280
c7: 1
c0: 49
Y1: -1
Y0: 143503601609868434285603076356671071740077383739246066639249
type: snfs