10-

10^407-1

Open composite · C216

Target FactorDB

NFS Planning

GNFS Murphy estimate
6.62e-16
SNFS Murphy score
1.15e-18
Preferred method
GNFS
SNFS possible
Yes
SNFS degree
7
SNFS skew
1.09146

Identifiers

Target expression
10^407-1
Target link
FactorDB page
Target ID
1100000000013095659
Target changed
-
Parent query
Same as target
Parent ID
-
Cofactor token
C216
Imported
Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1,11,37) 46399.390721.2377517312347.14922184078787276001107.2152658408661598725743865849598999268689.5944944413111812771074601841233247644294218555674708828050801.C216

SNFS Polynomial

Degree
7
Murphy
1.15e-18
Skew
1.09146
Selected
Best
n: 109342282569640599267885437159436094585521605878257581556906680976036421273763607635329779616648170700433801824308744760534333925935790693198529004108991622457624634510576203460717365284878390940709541445821986865609
# 10^407-1, difficulty: 407.00, skewness: 1.39
# cost: 2.39987e+23, est. time: 114279547.31 GHz days (not accurate yet!)
# Optimized skew: 1.09146 Murphy: 1.15e-18
skew: 1.09146
c7: 1
c0: -10
Y1: -10000000000000000000000000000000000000000000000000000000000
Y0: 1
type: snfs