GCF(64, 16) = 16
GCD is equal to the product of the common prime factors on the left side of the cake above.
GCF(64, 16) = 2 . 2 . 2 . 2 = 16
The common factors of 64 and 16 are 1, 2, 4, 8 and 16. Among these numbers, the greatest one is 16
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.