10-

10^413-1

Open composite · C337

NFS Planning

GNFS Murphy estimate: 6.35e-23
SNFS Murphy score: 2.75e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.41849

Identifiers

Target expression: 10^413-1
Target link: FactorDB page
Target ID: 1100000000013095666
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C337
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1,7,59) 827.4957.133813. C337

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 2.75e-17
Skew: 1.41849
Selected: Best

n: 1640664635570094674431963458793078634285878052914817458878102267645244030584998557510124692557081702811619099124538824607648847018052187175690856450279297039599199148089396587257304287380092576948935799954025371839922953541849112622834525410511267968336178025640190522423566785374482334654688568737921347284690883432348246287091783522613
# 10^413-1, difficulty: 354.00, skewness: 1.00
# cost: 1.0313e+22, est. time: 4910948.86 GHz days (not accurate yet!)
# Optimized skew: 1.41849 Murphy: 2.75e-17
skew: 1.41849
c6: 1
c5: 1
c4: 1
c3: 1
c2: 1
c1: 1
c0: 1
Y1: -1
Y0: 100000000000000000000000000000000000000000000000000000000000
type: snfs