5^493+1

Open composite · C282

NFS Planning

GNFS Murphy estimate: 9.83e-20
SNFS Murphy score: 2.03e-16
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 1.25561

Identifiers

Target expression: 5^493+1
Target link: FactorDB page
Target ID: 1000000000016636971
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C282
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1,17,29) 146779436039839305501219694026409. C282

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 2.03e-16
Skew: 1.25561
Selected: Best

n: 112480690533884357816376024384636250557311905546330308384120123318648880845118631886962343336463509125026235130596781693628309609634393460778962029682724764402227446796998380564354880129327563014900764488676445672643112046679667545128691894638437558908240774405643610072841018998809
# 5^493+1, difficulty: 324.32, skewness: 1.00
# cost: 1.56166e+21, est. time: 743647.03 GHz days (not accurate yet!)
# Optimized skew: 1.25561 Murphy: 2.03e-16
skew: 1.25561
c8: 1
c7: -1
c6: -7
c5: 6
c4: 15
c3: -10
c2: -10
c1: 4
c0: 1
Y1: -186264514923095703125
Y0: 34694469519536141888238489627838134765626
type: snfs