The work that Ryan did to find the greatest common factor of 48 and 72 is shown below.Prime factorization of 48: 2 x 2 x 2 x 2 x 3Prime factorization of 72: 2 x 2 x 2 x 3 x 3The greatest common factor is 2 ´ 2 ´ 2 ´ 3 x 3 What is Ryan’s error?
Answer
A
Ryan did not add the common prime factors to get the greatest common factor.
B
Ryan did not list all the factors in the prime factorization of 48.
C
Ryan did not list all the factors in the prime factorization of 72.
D
Ryan did not include only common prime factors in the greatest common factor.