6^547-1

Open composite · C300

NFS Planning

GNFS Murphy estimate: 8.88e-21
SNFS Murphy score: 3.09e-19
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.01041

Identifiers

Target expression: 6^547-1
Target link: FactorDB page
Target ID: 1100000000024700092
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C300
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1) 390235271.12369858001.16895084328789849841436726722316572193986487.2557289072087859790057796858622341909914825178899953441159332951.C300

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 3.09e-19
Skew: 1.01041
Selected: Best

n: 427102914120935593874783813482869832291408840591607871693732883611132735876633159795890865572677643383736490019715670291324188583078287029446463877525546695937326292133962918158725981004425663881890330246833530055151722880740751031351824296657442039813854460675212622930174111633025838726258248250101
# 6^547-1, difficulty: 425.65, skewness: 1.29
# cost: 6.84595e+23, est. time: 325997722.34 GHz days (not accurate yet!)
# Optimized skew: 1.01041 Murphy: 3.09e-19
skew: 1.01041
c7: 1
c0: -6
Y1: -4963608617944918181428679924706605506341271472266715087241216
Y0: 1
type: snfs