1 and 3.
1 and 3
It is: 15
1 and 3
The GCF is 3.
The GCF is 5.
The GCF is 3.
The least common factor of any set of positive integers is 1.
120
It can be. 24 is a common factor of 48 and 72.
It can be. 10 is a common factor of 50 and 60.
2 is a common factor of 24 and 72.
9 is not a factor of 24, common or otherwise.