7+

7^473+1

Open composite · C315

NFS Planning

GNFS Murphy estimate
1.20e-21
SNFS Murphy score
1.53e-18
Preferred method
SNFS
SNFS possible
Yes
SNFS degree
7
SNFS skew
2.92649

Identifiers

Target expression
7^473+1
Target link
FactorDB page
Target ID
1000000000016828851
Target changed
-
Parent query
Same as target
Parent ID
-
Cofactor token
C315
Imported
Jun 03, 2026, 04:31 PM UTC

Raw pmain126 Factorization

(1,11,43) 49193.292287688798394346991755956015739001. C315

SNFS Polynomial

Degree
7
Murphy
1.53e-18
Skew
2.92649
Selected
Best
n: 694152546240755809227159801197624169917095132665458351194608793862060563210350514175918792581759074771361531979506452258509803705751722679110808066359330832541333161018339827299624664923775942803050558717814922659015706495053541286669885168341282357303778184596671493173392174165710911591422368379818718951079488593
# 7^473+1, difficulty: 402.27, skewness: 2.30
# cost: 1.83083e+23, est. time: 87182512.12 GHz days (not accurate yet!)
# Optimized skew: 2.92649 Murphy: 1.53e-18
skew: 2.92649
c7: 1
c0: 343
Y1: -1
Y0: 2928644930813641516032715844013695341634232321209103400801
type: snfs