3^787+1

Open composite · C357

NFS Planning

GNFS Murphy estimate: 4.39e-24
SNFS Murphy score: 1.31e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.26592

Identifiers

Target expression: 3^787+1
Target link: FactorDB page
Target ID: 1000000000016446735
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C357
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(1) 2672085006016195513. C357

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.31e-17
Skew: 1.26592
Selected: Best

n: 292090345876731936028528568700983720252580707071853542263139504997149145478498651029711225520660989897755899478823617933019710641650898374158172883115909613805328955733490365208270897650946059895301297192258110099654090955362907943139615589871787912483515158331087784410412511507441413929444528880873425397456286813390139541976791050159338647534161061628719
# 3^787+1, difficulty: 375.49, skewness: 1.60
# cost: 3.81612e+22, est. time: 18171986.09 GHz days (not accurate yet!)
# Optimized skew: 1.26592 Murphy: 1.31e-17
skew: 1.26592
c7: 1
c0: 27
Y1: -273892744995340833777347939263771534786080723599733441
Y0: 1
type: snfs