The work that Ryan did to find the greatest common factor of 48 and 72 is as follows Prime factorization of 48 : 2 times 2 times 2 times 2 times 3 Prime factorization of 72 : 2 times 2 times 2 times 3 times 3 The greatest common factor is 2 times 2 times 2 times 3 times 3 What is Ryan’s error?
Answer
A
Ryan did not include only common prime factors in 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 add the common prime factors to get the greatest common factor.