11^331+1

Open composite · C258

NFS Planning

GNFS Murphy estimate: 2.42e-18
SNFS Murphy score: 1.13e-16
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.57999

Identifiers

Target expression: 11^331+1
Target link: FactorDB page
Target ID: 1000000000017211999
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C258
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(1) 2855869.11512843.11226209905343101.888734765538195469027258728828783694276578611227121075599.C258

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.13e-16
Skew: 1.57999
Selected: Best

n: 127606074623561210255803480343358049385402747224984224489847332248676737374484636040764570690969094903825383651628077268631634819101146960218413800720637470795446298087655282197736757358492624976447079046369289249655878258391693244788137005792758527069570147
# 11^331+1, difficulty: 344.70, skewness: 1.98
# cost: 5.76923e+21, est. time: 2747252.39 GHz days (not accurate yet!)
# Optimized skew: 1.57999 Murphy: 1.13e-16
skew: 1.57999
c7: 1
c0: 121
Y1: -8819748525897469309291246881319182564912256873571
Y0: 1
type: snfs