10^353+1

Open composite · C300

NFS Planning

GNFS Murphy estimate: 8.88e-21
SNFS Murphy score: 5.17e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.06655

Identifiers

Target expression: 10^353+1
Target link: FactorDB page
Target ID: 1000000000008550377
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C300
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(1) 1006029527.56540001776360839594874218856939642617050503. C300

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 5.17e-17
Skew: 1.06655
Selected: Best

n: 159823548746746525833459070247606527688423534293651394095445698739151428242043060360971271671106441186271237003447945465648483696730634700960945079078897864471320871112717936843880331437082912817683497079742505597587738919599836045153418053994804775637315857191431524063651001284177292877541626670211
# 10^353+1, difficulty: 354.20, skewness: 1.34
# cost: 1.04442e+22, est. time: 4973451.39 GHz days (not accurate yet!)
# Optimized skew: 1.06655 Murphy: 5.17e-17
skew: 1.06655
c7: 16
c0: 125
Y1: -200000000000000000000000000000000000000000000000000
Y0: 1
type: snfs