3*4 = 12
3*11 = 33
so 3 is a factor of both 12 and 33. That is 3 is a common factor.
No number larger than 3 is a factor of BOTH the numbers so 3 is the greatest common factor.
The GCF is 3.
The GCF is 3.
The GCF is 3.
The GCF of 33 and 21 is 3.
Divide them by their GCF, which is 3.Divide them by their GCF, which is 3.Divide them by their GCF, which is 3.Divide them by their GCF, which is 3.
The GCF is 3.
The GCF is 3.
It is 3 because 33/36 = 11/12
The GCF is 3.
The GCF is 3.
The GCF is 3.
The GCF of 33 and 96 is 3.
The GCF is 3.
The GCF is 3.
The GCF is 3.
The GCF is 3.
You need at least two numbers to find a GCF.