Question

Determine todos os divisores de 28,42 e 63 ,em seguida determine qual o mdc (máximo divisor comum) entre eles .




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Answer 1

$\large\boxed{\begin{array}{l}\sf D(28)=\{1,2,5,7,14,28\}\\\sf D(42)=\{1,2,3,6,7,14,21,42\}\\\sf D(63)=\{1,3,7,9,21,63\}\\\sf mdc(28,42,63)=7\end{array}}$