10^401+1

Open composite · C320

NFS Planning

GNFS Murphy estimate: 6.15e-22
SNFS Murphy score: 1.42e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.31632

Identifiers

Target expression: 10^401+1
Target link: FactorDB page
Target ID: 1000000000008550425
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C320
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(1) 4813.12061085521.4488792458298882059329.2971245460182291007178927517460929280931723051.C320

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.42e-18
Skew: 1.31632
Selected: Best

n: 11741862734630362199710196231673780650368778544582436506900387697780232884247959239266684694233435651437820461838386128016891337590431119814684753241044096749422036582007868463428679144282818374656886729329079415770931297624987681086649534711760581534609190561499559277662445902439508227705345901537664253662024366166973
# 10^401+1, difficulty: 402.51, skewness: 1.04
# cost: 1.85605e+23, est. time: 88383521.89 GHz days (not accurate yet!)
# Optimized skew: 1.31632 Murphy: 1.42e-18
skew: 1.31632
c7: 25
c0: 32
Y1: -1
Y0: 2000000000000000000000000000000000000000000000000000000000
type: snfs