10-

10^377-1

Open composite · C311

NFS Planning

GNFS Murphy estimate: 2.04e-21
SNFS Murphy score: 5.16e-17
Preferred method: SNFS
SNFS possible: Yes
SNFS degree: 6
SNFS skew: 1.41451

Identifiers

Target expression: 10^377-1
Target link: FactorDB page
Target ID: 1100000000013091475
Target changed: -
Parent query: Same as target
Parent ID: -
Cofactor token: C311
Imported: Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1,13,29) 11311.30161.75401.428991023449. C311

SNFS Polynomial

Polynomial

Degree: 6
Murphy: 5.16e-17
Skew: 1.41451
Selected: Best

n: 81558731023638679420044851730408189552717319656870155535701564436804822113769183715428357653299820341189278253284923130909899703689814590073589425441475691311644222255912508365403272376751188366655573946104424252937079140860079653428568170589219607093031658504631195806236081385119613683199143444073580556105929
# 10^377-1, difficulty: 348.00, skewness: 1.00
# cost: 7.09705e+21, est. time: 3379548.27 GHz days (not accurate yet!)
# Optimized skew: 1.41451 Murphy: 5.16e-17
skew: 1.41451
c6: 1
c5: 1
c4: -5
c3: -4
c2: 6
c1: 3
c0: -1
Y1: -100000000000000000000000000000
Y0: 10000000000000000000000000000000000000000000000000000000001
type: snfs