10-

10^449-1

Open composite · C429

NFS Planning

GNFS Murphy estimate: 2.93e-28
SNFS Murphy score: 6.99e-20
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 8
SNFS skew: 1.38965

Identifiers

Target expression: 10^449-1
Target link: FactorDB page
Target ID: 1100000000013095699
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C429
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1) 14369.4674443941270693. C429

SNFS Polynomial

Polynomial

Degree: 8
Murphy: 6.99e-20
Skew: 1.38965
Selected: Best

n: 165424941582843639523982504730164352032971715771683562161222907939473141703949977145579892451843842183100430142098802951708147705000155392547965961882182868435562701124387458198751908542851062516267158342012609005993861467589780790760438923926621013203382051718608178256773996770714453622854443371778155485273350798293960854566682321184760925680422739548504226783419322103369079320267323921356231087122923926499834954521273321883
# 10^449-1, difficulty: 449.00, skewness: 1.33
# cost: 2.44816e+24, est. time: 1165791613.31 GHz days (not accurate yet!)
# Optimized skew: 1.38965 Murphy: 6.99e-20
skew: 1.38965
c8: 1
c0: -10
Y1: -100000000000000000000000000000000000000000000000000000000
Y0: 1
type: snfs