Question

qual p mmc de(14,21)??/

Answer 1

$\large\boxed{\begin{array}{l}\begin{array}{rr|l}\sf14&\sf21&\sf2\\\sf7&\sf21&\sf3\\\sf7&\sf7&\sf7\\\sf1&\sf1&\!\!\!\overline{~\:\sf2\cdot3\cdot7=42~}\end{array}\\\\\sf MMC(14,21)=42~\checkmark\end{array}}$