3^895-1

Open composite · C313

NFS Planning

GNFS Murphy estimate: 1.57e-21
SNFS Murphy score: 5.70e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 0.64154

Identifiers

Target expression: 3^895-1
Target link: FactorDB page
Target ID: 1000000000018247383
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C313
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(1,5,179) 84131.612181.23844320451060001. C313

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 5.70e-17
Skew: 0.64154
Selected: Best

n: 2797770983221117779507143563862208585636342672191287401721322346280768663865671754412492772669783729838465176867470863842611919833664172381663613566814615177191113394992120885380268012546054196205440497974154348251420916895726694398325099980039534219039798219912719443831860937631778444718154544806965251395611311
# 3^895-1, difficulty: 341.62, skewness: 0.58
# cost: 4.749e+21, est. time: 2261429.08 GHz days (not accurate yet!)
# Optimized skew: 0.64154 Murphy: 5.70e-17
skew: 0.64154
c8: 81
c6: 27
c4: 9
c2: 3
c0: 1
Y1: -1
Y0: 2909321189362570808630465826492242446680483
type: snfs