3^880+1

Open composite · C306

NFS Planning

GNFS Murphy estimate: 3.99e-21
SNFS Murphy score: 9.02e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 1.09581

Identifiers

Target expression: 3^880+1
Target link: FactorDB page
Target ID: 1000000000016447293
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C306
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(16,80,176) C306

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 9.02e-17
Skew: 1.09581
Selected: Best

n: 227825866475425532558796055711898347970413957686599107545396036038143645652181379206565220016855012022221775085192570072225900096024957655733127545844092931975367657119868184268542634991280937795652154613865262083877610121770516169104610982675563119812187257081677349776723034880503586723954723126329094401
# 3^880+1, difficulty: 335.89, skewness: 1.00
# cost: 3.29898e+21, est. time: 1570943.56 GHz days (not accurate yet!)
# Optimized skew: 1.09581 Murphy: 9.02e-17
skew: 1.09581
c8: 1
c6: -1
c4: 1
c2: -1
c0: 1
Y1: -1
Y0: 969773729787523602876821942164080815560161
type: snfs