GCF(56, 72) = 8
GCD is equal to the product of the common prime factors on the left side of the cake above.
GCF(56, 72) = 2 . 2 . 2 = 8
The common factors of 56 and 72 are 1, 2, 4 and 8. Among these numbers, the greatest one is 8
The greatest common factor (GCF) of two positive whole numbers is the largest number that divides these numbers exactly. GCF can be found by using the upside-down cake method. It is equal to the product of the common prime factors listed on the left.