What is the least common multiple of 40 and 12?

Apr 1, 2016

Least Common Multiple is of $40$ and $12$ is $120$

Explanation:

Multiples of $40$ are $\left\{40 , 80 , 120 , 160 , 200 , 240 , \ldots .\right\}$

Multiples of $12$ are

$\left\{12 , 24 , 36 , 48 , 60 , 72 , 84 , 96 , 108 , 120 , 132 , 144 , 156 , 168 , 180 , 192 , 204 , 216 , 228240 , \ldots .\right\}$

Common multiples are $\left\{120 , 240 , \ldots .\right\}$

Hence, Least Common Multiple is $120$.