Find the prime factorization of the number. Write any repeated factors using exponents.
-168
A) $2 \cdot 3 \cdot 7$
B) $2 \cdot 3 ^ { 3 } \cdot 7$
C) $2 ^ { 3 } \cdot 3 \cdot 7$
D) $2 ^ { 2 } \cdot 3 \cdot 7$

Question

Quizplus · Accepted Answer

The prime factorization of 168 is $2^3 \cdot 3 \cdot 7$. Breaking it down: 168 is even, so divide by 2 to get 84, divide by 2 again to get 42, and once more to get 21. Then, divide by 3 to get 7, which is a prime number. Thus, the factorization is $2^3 \cdot 3 \cdot 7$.

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Find the Prime Factorization of the Number $2 \cdot 3 \cdot 7$