11^386+1

Open composite · C400

NFS Planning

GNFS Murphy estimate: 1.41e-26
SNFS Murphy score: 1.75e-18
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 7
SNFS skew: 1.10738

Identifiers

Target expression: 11^386+1
Target link: FactorDB page
Target ID: 1000000000017212329
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C400
Imported: Jun 03, 2026, 04:32 PM UTC

Raw pmain126 Factorization

(2) C400

SNFS Polynomial

Polynomial

Degree: 7
Murphy: 1.75e-18
Skew: 1.10738
Selected: Best

n: 7784247581295142701787479766724699346785023918241313901525344797771830847425049228516307215627815824520343411851446855168447744365296753480803424746215994883517766670256690010955799113162918568459794189646687588920278892593355443775754241212715128088998040464691212020825035967443002103379193805231807332111797377956317432540906552815300394445887555375400407310073404082074948467681149247810615921921
# 11^386+1, difficulty: 401.98, skewness: 1.41
# cost: 1.80071e+23, est. time: 85747939.69 GHz days (not accurate yet!)
# Optimized skew: 1.10738 Murphy: 1.75e-18
skew: 1.10738
c7: 1
c0: 11
Y1: -1890591424712781041871514584574319778449301246603238034051
Y0: 1
type: snfs