5^545+1

Open composite · C263

NFS Planning

GNFS Murphy estimate: 1.24e-18
SNFS Murphy score: 3.55e-16
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 0.48422

Identifiers

Target expression: 5^545+1
Target link: FactorDB page
Target ID: 1000000000016637283
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C263
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1,5,109) 4626629557771146518427711512403423726361. C263

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 3.55e-16
Skew: 0.48422
Selected: Best

n: 23378650534428672316017554587677442595658110295413438976434718486347477002597960653631013269759300085461223693723360353425603378298104312418635337302102985415970617323233715695085180121019525623787005989388440029353276505539864353209697751722897561863599186485321
# 5^545+1, difficulty: 304.75, skewness: 0.45
# cost: 4.24619e+20, est. time: 202199.56 GHz days (not accurate yet!)
# Optimized skew: 0.48422 Murphy: 3.55e-16
skew: 0.48422
c8: 625
c6: -125
c4: 25
c2: -5
c0: 1
Y1: -1
Y0: 55511151231257827021181583404541015625
type: snfs