The prime factorizations of 54 and 72 are shown below.
Prime factorization of 54: 2, 3, 3, 3
Prime factorization of 72: 2, 2, 2, 3, 3
Using the prime factorizations, what is the greatest common factor of 54 and 72?
023
O 2 33
O 2233
2.2 2.3 3 3