Question

cmmmc[18,72,144]si [40,15,12]???????

Answer 1

$\it [18,\ 72,\ 144] =144 (se\ observ\breve a\ c\breve a\ 18\ \c si\ 72\ sunt\ divizori\ ai\ lui\ 144)\\ \\ \\ 40=2^3\cdot5\\15=3\cdot5\\12=2^2\cdot3\\ ------ \\ \Big[ 40,\ 15,\ 12 \Big]=2^3\cdot3\cdot5=8\cdot3\cdot5=40\cdot3=120$