2LM

2^2942+1 L

Open composite · C443 · component L

NFS Planning

GNFS Murphy estimate: 4.51e-29
SNFS Murphy score: 9.79e-20
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 1.05022

Identifiers

Target expression: 2^1471+1-2^736
Target value: 65331649240914804390869267210887480515100091472884321257613223092241145392066467932718025309191959466139134777328814412279603162671383395333161650072791987746748992214592354864788805528699351375059564009942372570655039433521929347864901651620292150577255027638079021490965360367632704977951460749075691929001646315002531006227546229197868336930628282240262077437409896248754767377853004878502845313804250861342481255014537430040218162652250113
Target link: FactorDB page
Target ID: 1100000000001709178
Target changed: -
Parent query: 2^2942+1
Parent ID: -
Cofactor token: C443
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

C443

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 9.79e-20
Skew: 1.05022
Selected: Best

n: 65331649240914804390869267210887480515100091472884321257613223092241145392066467932718025309191959466139134777328814412279603162671383395333161650072791987746748992214592354864788805528699351375059564009942372570655039433521929347864901651620292150577255027638079021490965360367632704977951460749075691929001646315002531006227546229197868336930628282240262077437409896248754767377853004878502845313804250861342481255014537430040218162652250113
# 2^2942+1 Aurifeuillian L, difficulty: 443.12, skewness: 1.09
# cost: 1.78264e+24, est. time: 848878155.35 GHz days (not accurate yet!)
# Optimized skew: 1.05022 Murphy: 9.79e-20
skew: 1.05022
c8: 1
c4: -2
c0: 2
Y1: -1
Y0: 24519928653854221733733552434404946937899825954937634816
type: snfs