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
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