3^893-1

Open composite · C229

NFS Planning

GNFS Murphy estimate: 1.17e-16
SNFS Murphy score: 2.33e-19
Preferred method: GNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 2.04642

Identifiers

Target expression: 3^893-1
Target link: FactorDB page
Target ID: 1000000000018247371
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C229
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(1,19,47) 1787.1084103.19120399882906764853.317568081382460503451160687358559.297058864925894944570673587619587388783139899.16531688892221752184323670641850413652684515394254291509746363.C229

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 2.33e-19
Skew: 2.04642
Selected: Best

n: 1314071491243009428364924945794210545688682200981481435962348276080754339490014723523809701411247355804974561652056776225587591480206142279915817704948646710880843811347259148893840462217741369693656880557756515192700904492956671
# 3^893-1, difficulty: 427.50, skewness: 1.60
# cost: 7.58544e+23, est. time: 361211457.74 GHz days (not accurate yet!)
# Optimized skew: 2.04642 Murphy: 2.33e-19
skew: 2.04642
c7: 1
c0: -27
Y1: -1
Y0: 11790184577738583171520872861412518665678211592275841109096961
type: snfs