3^829-1

Open composite · C337

NFS Planning

GNFS Murphy estimate: 6.35e-23
SNFS Murphy raw: 2.82e-18
SNFS Murphy normalized (deg 6): 1.76e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.26077

Identifiers

Target expression: 3^829-1
Target link: FactorDB page
Target ID: 1000000000018246987
Target changed: Before 6/8/2026
Parent query: Same as target
Parent ID: -
Cofactor token: C337
Imported: Jun 07, 2026, 01:41 AM UTC

Raw pmain126 Factorization

(1) 4327010267.688966554873133029743.12897918757296422163419778877.C337

SNFS Polynomial

Polynomial

Degree: 7
Raw Murphy: 2.82e-18
Normalized (deg 6): 1.76e-18
Skew: 1.26077
Selected: Best

n: 4442060447780609525339044958847431313451854633251050543241680925153157518628716007393979240859216495885871757321050388719913596743459902301384034322441098208853553938410271940778788919968711606459672013670576220824618233862541096491642988144967250701695539056876978251444831509171056022921661794498309639134977346699862213633343232689193
# 3^829-1, difficulty: 395.53, skewness: 1.60
# cost: 1.24167e+23, est. time: 59127070.94 GHz days (not accurate yet!)
# Optimized skew: 1.26077 Murphy: 2.82e-18
skew: 1.26077
c7: 1
c0: -27
Y1: -199667811101603467823686647723289448859052847504205678489
Y0: 1
type: snfs