5^533-1

Open composite · C336

NFS Planning

GNFS Murphy estimate: 7.26e-23
SNFS Murphy score: 7.48e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.41317

Identifiers

Target expression: 5^533-1
Target link: FactorDB page
Target ID: 1000000000018437211
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C336
Imported: Jun 03, 2026, 04:30 PM UTC

Raw pmain126 Factorization

(1,13,41) C336

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 7.48e-17
Skew: 1.41317
Selected: Best

n: 256266636393370546860436059531173574347781827677570684373821894153486393783744482769250711674122872173101253691471505658078218505759757169740382057349376765605466380890124506013389681871825677957268035337084188708323814596300252067180745439173115448343849973183177328529415962667862418290453643994244448123065012623549997806544189453121
# 5^533-1, difficulty: 343.89, skewness: 1.00
# cost: 5.48293e+21, est. time: 2610921.34 GHz days (not accurate yet!)
# Optimized skew: 1.41317 Murphy: 7.48e-17
skew: 1.41317
c6: 1
c5: 1
c4: -5
c3: -4
c2: 6
c1: 3
c0: -1
Y1: -45474735088646411895751953125
Y0: 2067951531382569187178521730174907133914530277252197265626
type: snfs