3^860+1

Open composite · C304

NFS Planning

GNFS Murphy estimate: 5.21e-21
SNFS Murphy score: 1.44e-16
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 1.10019

Identifiers

Target expression: 3^860+1
Target link: FactorDB page
Target ID: 1000000000016447173
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C304
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(4,20,172) 1721.20641.10401395561. C304

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 1.44e-16
Skew: 1.10019
Selected: Best

n: 1156668179464449097293113824183499375569246648965847113148945920722476675498037159409812322614559860857756934769024493789811633684154681104681088703662005204332881592012456357234779382087903721551205741015119185238143867610461310656104813984820829097422883621938228023219725634232572006255774457938974401
# 3^860+1, difficulty: 328.26, skewness: 1.00
# cost: 2.01778e+21, est. time: 960847.23 GHz days (not accurate yet!)
# Optimized skew: 1.10019 Murphy: 1.44e-16
skew: 1.10019
c8: 1
c6: -1
c4: 1
c2: -1
c0: 1
Y1: -1
Y0: 107752636643058178097424660240453423951129
type: snfs