The GCF is 2.
4 is the greatest common factor: it goes into 20 5 times and 24 6 times.
2.
2
The GCF is 2.
It is: 2
The greatest factor of 15 is 15. The greatest factor of 20 is 20. The greatest common factor of 15 and 20 is 5.
The GCF is 1.
The GCF is 2.
The GCF is 2.
The GCF is 2.
The greatest common factor of 12 and 20 is 4
the greatest common factor of 20 and 100 is:20