Respuesta :

Hi!

To find the prime factorization of a number, keep dividing by the smallest factor that goes into it.

63/3 = 21

21/3 = 7

7/7 = 1

3 · 3 · 7 = 63

The answer is D. 3 · 3 · 7

Hope this helps! :)

-Peredhel


The right answer is D