6^529-1

Open composite · C390

NFS Planning

GNFS Murphy estimate: 5.35e-26
SNFS Murphy score: 7.40e-19
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.37311

Identifiers

Target expression: 6^529-1
Target link: FactorDB page
Target ID: 1100000000024699874
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C390
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1,23) 12697. C390

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 7.40e-19
Skew: 1.37311
Selected: Best

n: 437352460872375420309649095704122650567027891483165947389234324967514182527849358457870659526372343514671743210681502968092883265938647780759432885161083442530684015890192157718002548775916213922855535961978097457725054464495587468869344491890002454022641296015874295267615001518887902012442500331006866084049545394820515167756037492688873443484577820460237020985669646581701316467237491369
# 6^529-1, difficulty: 413.07, skewness: 1.08
# cost: 3.38691e+23, est. time: 161281363.67 GHz days (not accurate yet!)
# Optimized skew: 1.37311 Murphy: 7.40e-19
skew: 1.37311
c7: 16
c0: -27
Y1: -1
Y0: 68939008582568308075398332287591743143628770448148820656128
type: snfs