The gcf of 20 and 30 means the greatest common factor. You can do this my dividing 20 and 30 by the same number.
Eventually, you will get 10, no other number is greater than 10.
20/10 = 2 and 30/10 = 3.
So your answer will be 10.
gcf(20, 30, 90) = 10
The GCF is 5.
The GCF of 30, 50, 20 is 10.
The GCF of 20, 30 and 63 is 1.
The GCF for 20 30 18 is 2
The GCF of 20 and 40 is 20 The GCF of 15 and 30 is 15 The GCF of 15, 20, 30 and 40 is 5.
The GCF of 30 and 20 is 10. Chart it however you wish.
The GCF is 10.
The GCF is 10.
GCF = 10
The GCF is 5.
the GCF for 20, 30and 80 is 10.