The factors of 12 are: 1, 2, 3, 4, 6, 12
The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40
[I've emboldened the common factors.]
The factors of 12 are:
1, 2, 3, 4, 6, 12
The factors of 40 are:
1, 2, 4, 5, 8, 10, 20, 40
The GCF of 12 and 40 is 4.
The GCF of 12 and 40 is 4.
The greatest common factor of 1628 , 40 = 4
Yes.
It is 4
The GCF is 4.
4
It is 4
The least common factor of any set of numbers is 1.
Greatest Common Factor (GCF) of (12,40,56) is 4.
It is: 4
There is none: 1.