2+(odd)

2^1483+1

Open composite · C409

NFS Planning

GNFS Murphy estimate: 4.23e-27
SNFS Murphy score: 5.56e-20
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.41687

Identifiers

Target expression: 2^1483+1
Target link: FactorDB page
Target ID: 1000000000012151507
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C409
Imported: Jun 03, 2026, 04:29 PM UTC

Raw pmain126 Factorization

(1) 31994243.1111108114646495282502321422339. C409

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 5.56e-20
Skew: 1.41687
Selected: Best

n: 2509193516068358748969656850753611528121995149589603422312432078602591874028246958849100259266172502752695768445606712079109773405928963130065282163615658936394971507245469007121208041161361598053190063304523094771314864306650883319207109794751045878131824035638320334764288361023437804018068321413349169246544509723275734105125145929625251175045008326490877395165738202427511346169393580655557124703014920339
# 2^1483+1, difficulty: 446.73, skewness: 1.10
# cost: 2.16661e+24, est. time: 1031719763.02 GHz days (not accurate yet!)
# Optimized skew: 1.41687 Murphy: 5.56e-20
skew: 1.41687
c7: 1
c0: 2
Y1: -1
Y0: 6582018229284824168619876730229402019930943462534319453394436096
type: snfs