7^493+1

Open composite · C349

NFS Planning

GNFS Murphy estimate: 1.28e-23
SNFS Murphy score: 2.90e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 1.22019

Identifiers

Target expression: 7^493+1
Target link: FactorDB page
Target ID: 1000000000016828971
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C349
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1,17,29) 3117418664950476974792000030431. C349

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 2.90e-18
Skew: 1.22019
Selected: Best

n: 1472715107778342434022850148398593876933739199976062068224134897676404891002256125903484711957876914283571153644717244227981164638098011560458227971615549223209891708215409656521282980825889272324552697079615066148240878590794284016039224867052419520540821231293976598843310461245792553392562525121699658901311078065177466747425533327034477406576671
# 7^493+1, difficulty: 392.13, skewness: 1.00
# cost: 1.01856e+23, est. time: 48502839.22 GHz days (not accurate yet!)
# Optimized skew: 1.22019 Murphy: 2.90e-18
skew: 1.22019
c8: 1
c7: -1
c6: -7
c5: 6
c4: 15
c3: -10
c2: -10
c1: 4
c0: 1
Y1: -3219905755813179726837607
Y0: 10367793076318844190248738727596255138212949486450
type: snfs