5^598+1

Open composite · C333

NFS Planning

GNFS Murphy estimate: 1.08e-22
SNFS Murphy score: 1.58e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.42630

Identifiers

Target expression: 5^598+1
Target link: FactorDB page
Target ID: 1000000000016637601
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C333
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(2,26,46) 165049.200675943308569.280879092607335041. C333

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 1.58e-18
Skew: 1.42630
Selected: Best

n: 127223694997722461644587525408508768070184284829696133935087602336376302240142335829130339832415984528690246851774990361844259077518427244924573140651306183598961234780312315885949876131762226512058384871658431984129960744178821454629066806756387473646950116491219572546684726128583508148502858597471209662843346208397916810630777681
# 5^598+1, difficulty: 385.83, skewness: 1.00
# cost: 7.04584e+22, est. time: 33551605.80 GHz days (not accurate yet!)
# Optimized skew: 1.42630 Murphy: 1.58e-18
skew: 1.42630
c6: 1
c5: -1
c4: -5
c3: 4
c2: 6
c1: -3
c0: -1
Y1: -142108547152020037174224853515625
Y0: 20194839173657902218540251271239327479634084738790988922119140626
type: snfs