Resposta:
[tex]\begin{array}{r|c}& Fator \ primo \\636 & 2\\ 318 & 2\\ 159 & 3\\ 53 & 53\\ 1\\ \end{array}\text{Fatora\c{c}\~ao}\,\,\ 2^2 \cdot 3 \cdot 53 = 636[/tex]
Explicação passo-a-passo:
3240
18, 40, 81/2
9, 20, 81/2
9, 10, 81/2
9, 5, 81/3
3, 5, 27/3
1, 5, 9/3
1, 5, 3/3
1, 5, 1/5
1. 1, 1/= 2.2.2.3.3.3.3.5 = 3240
