Question

Quais são os divisores de 72 compreendidos entre 10 e 30?

Answer 1

$\begin{array}{r|l|l} 72&2&1\\ 36&2&2\\ 18&2&4\\ 9&3&8\\ 3&3&3,\,6,\,12,\,24\\ 1&&9,\,18,\,36,\,72 \end{array}\\\\\\ \mathrm{D}(72)=\{1,\,2,\,3,\,4,\,6,\,8,\,9,\,12,\,18,\,24,\,36,\,72\}$


Destes divisores, os que estão entre 10 e 30 são:

$\{12,\,18,\,24\}$


Bons estudos! :-)