2, 7
It is: 63
The greatest common factor of 108 and 126 is 18.
The GCF is 126.
The GCF is 6.
The GCF is 21.
4 is a factor of 28. 4 is a common factor of 28 and 32.
The LCM is: 126
It can be. 28 is a common factor of 56 and 84.
The greatest common factor is 28.
There is no common factor
The greatest common factor of 48 and 28 is 4.
The greatest common factor of 16 and 28 is 4