Respuesta :

     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.

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