Question

Find the prime factorization of 42 using the factor tree.

• A. 2 $\times$ 3 $\times$ 3
• B. 2 $\times$ 3 $\times$ 7
• C. 2 $\times$ 3 $\times$ 6
• D. 2 $\times$ 3 $\times$ 7

Answer 1

The correct option is B 2 $\times$ 3 $\times$ 7

Let us find the prime factorization of 42 using the factor tree method.



Hence, the prime factorization of 42 = 2 $\times$ 3 $\times$ 7