8 and 16, among many others.
The greatest common factor of the numbers 32 and 22 is 2.
You need at least two numbers to find a GCF. If that's 2 and 8, the GCF is 2.
The GCF is 2.
2.
The GCF is 2.
The GCF is 2.
The GCF is 2.
The GCF is 2.
The GCF is 2.
The GCF is 2.
The GCF is 2.
Since 2 is a factor of 20, it is automatically the GCF.