7^461+1

Open composite · C311

NFS Planning

GNFS Murphy estimate: 2.04e-21
SNFS Murphy score: 4.87e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.67664

Identifiers

Target expression: 7^461+1
Target link: FactorDB page
Target ID: 1000000000016828779
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C311
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1) 2767.5339093629.119075901005210869016240027418373860317219373276876878528315605793.C311

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 4.87e-18
Skew: 1.67664
Selected: Best

n: 27657052058434188078286040413111656011321155710905335155576197725405831311510825326008047743165869071979687389806561754767996996864505339526951741599720169170856960797684961467793094457915690174736950360115561593753237319260859557344291564073640397252134090553594842120554556121462319052446302350022068511449199
# 7^461+1, difficulty: 390.44, skewness: 1.32
# cost: 9.22908e+22, est. time: 43948020.94 GHz days (not accurate yet!)
# Optimized skew: 1.67664 Murphy: 4.87e-18
skew: 1.67664
c7: 1
c0: 7
Y1: -1
Y0: 59768263894155949306790119265585619217025149412430681649
type: snfs