That's backwards. The GCF of 160 and 20 is 20.
You can have one gcf of a set of numbers. You do not have different gcfs for anything.
The GCF is 20.
The greatest common factor of 160 and 900 is 20.
The GCF is 20.
Since 20 is a factor of 160, it is automatically the GCF.The GCF is 20.
20The GCF is 20.
The GCF of 56 and 160 is 8. The LCM is 1120.
The GCF is 20.
20
20
The GCF is 5.
The GCF is 20.
The GCF is 20.