10-

10^383-1

Open composite · C230

Target FactorDB

NFS Planning

GNFS Murphy estimate
1.02e-16
SNFS Murphy score
5.71e-18
Preferred method
GNFS
SNFS possible
Yes
SNFS degree
7
SNFS skew
0.81816

Identifiers

Target expression
10^383-1
Target link
FactorDB page
Target ID
1100000000013091481
Target changed
-
Parent query
Same as target
Parent ID
-
Cofactor token
C230
Imported
Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1) 852559.1628675880394909638591813700831880313095925587.23181229247696012268805890210990826546682789683.4444575092571167489534267707374644429886101712373400879.C230

SNFS Polynomial

Degree
7
Murphy
5.71e-18
Skew
0.81816
Selected
Best
n: 77666131247040384336837074020663875585999730825721247567356943599067930314638763920255289968350658015398540582578542398468491701575777163735628313513060040592083843452256116045847447670959430494348748485442874031711657309449041231
# 10^383-1, difficulty: 384.40, skewness: 1.04
# cost: 6.4753e+22, est. time: 30834778.98 GHz days (not accurate yet!)
# Optimized skew: 0.81816 Murphy: 5.71e-18
skew: 0.81816
c7: 25
c0: -32
Y1: -5000000000000000000000000000000000000000000000000000000
Y0: 1
type: snfs