10^403+1

Open composite · C321

NFS Planning

GNFS Murphy estimate: 5.38e-22
SNFS Murphy score: 5.72e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.42209

Identifiers

Target expression: 10^403+1
Target link: FactorDB page
Target ID: 1000000000008550427
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C321
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(1,13,31) 195886211.35065183927133465514193983196961. C321

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 5.72e-18
Skew: 1.42209
Selected: Best

n: 160144747149885345386147630123462959259646414101998316678720322714239897025676704275805316772532050628760819533010482049520474574775285754513347839165375353412542239778566556371557843043002279856159407931078980735781065059149831100397497669696053580281703025106593655326655375665358987744766710877221471762928673477376441
# 10^403+1, difficulty: 372.00, skewness: 1.00
# cost: 3.09456e+22, est. time: 14735993.91 GHz days (not accurate yet!)
# Optimized skew: 1.42209 Murphy: 5.72e-18
skew: 1.42209
c6: 1
c5: -1
c4: -5
c3: 4
c2: 6
c1: -3
c0: -1
Y1: -10000000000000000000000000000000
Y0: 100000000000000000000000000000000000000000000000000000000000001
type: snfs