6^523-1

Open composite · C333

NFS Planning

GNFS Murphy estimate: 1.08e-22
SNFS Murphy score: 1.12e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 2.12525

Identifiers

Target expression: 6^523-1
Target link: FactorDB page
Target ID: 1100000000024699827
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C333
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1) 607908582660024388924617637192913497.265463184404902972803443680488559248359.C333

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.12e-18
Skew: 2.12525
Selected: Best

n: 116490731289585883642738439759531824421200433696848297622205201429388613213970949992341610478207158293538816652471056181026583249010865104289853186904362333556489601136383584562720740889050857995194994526891609192933001026402887191032280735565076211888389810236309214329806232228561007222961050510028872601547610180434244863759337181
# 6^523-1, difficulty: 408.53, skewness: 1.67
# cost: 2.61812e+23, est. time: 124672580.14 GHz days (not accurate yet!)
# Optimized skew: 2.12525 Murphy: 1.12e-18
skew: 2.12525
c7: 1
c0: -36
Y1: -1
Y0: 22979669527522769358466110762530581047876256816049606885376
type: snfs