3^881+1

Open composite · C253

NFS Planning

GNFS Murphy estimate: 4.73e-18
SNFS Murphy score: 4.26e-19
Preferred method: GNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.49405

Identifiers

Target expression: 3^881+1
Target link: FactorDB page
Target ID: 1000000000016447299
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C253
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(1) 121579.782329.88122907.1696316331263137.48880787154166370859841837092829.2104264426012057315697897147009082734574571.171367442230825318901376029583709686996513205218023669788621.C253

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 4.26e-19
Skew: 1.49405
Selected: Best

n: 2201683780735166513723145161291680617229172168038270131649679337520458424179930038968883418121462456031224768731093345277705748350489963410322106535774788380725245730373735458568245405951144297702835912819961237625981031111588026585519173944558641509611
# 3^881+1, difficulty: 420.82, skewness: 1.17
# cost: 5.23301e+23, est. time: 249190950.50 GHz days (not accurate yet!)
# Optimized skew: 1.49405 Murphy: 4.26e-19
skew: 1.49405
c7: 1
c0: 3
Y1: -1
Y0: 1310020508637620352391208095712502073964245732475093456566329
type: snfs