5^586+1

Open composite · C251

NFS Planning

GNFS Murphy estimate: 6.18e-18
SNFS Murphy score: 8.77e-19
Preferred method: GNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 2.01799

Identifiers

Target expression: 5^586+1
Target link: FactorDB page
Target ID: 1000000000016637529
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C251
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(2) 28729237.306024437.241153538014538355967723604431401241489.7127608503647593236636272561951433568622499584329.1150155800615154463836457262368794006677673648089811013.C251

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 8.77e-19
Skew: 2.01799
Selected: Best

n: 87372516414116290414306504454791577607802697170236605659902595975312683831316360788210396688729969586878137014341313677265369245919048339930280889436819169902058496753265748932489382419144352464711183848449432387924475770008510038541268158352348455693
# 5^586+1, difficulty: 410.99, skewness: 1.58
# cost: 3.01119e+23, est. time: 143389860.24 GHz days (not accurate yet!)
# Optimized skew: 2.01799 Murphy: 8.77e-19
skew: 2.01799
c7: 1
c0: 25
Y1: -1
Y0: 51698788284564229679463043254372678347863256931304931640625
type: snfs