Complete a factor tree and a ladder diagram to find the prime factorization of 54

Factor Tree

54

6 * 9

2 * 3 3 * 3

54 = 2 * 3 * 3 * 3 = 2 * 3³

2|54

3|27 → 54 = 2 * 3 * 3 * 3 = 2 * 3³

3|9

3

I'm not sure about ladder method ... is it the same as upside down division.

Begin with a prime number that will divide into the number.