Question

What is the least common multiple of 9 and 12

Answer 1

The least common multiple (or LCM) of 9 and 12 is 36

Answer 2

$Lets \ Find \ the \ Least \ Common \ Multiple \ (LCM) \ of \ 4 \ and \ 30$ 

$|Solve \ by \ using \ Prime \ Factors|$ 

$List \ all \ prime \ factors \ of \ each \ denominator,$$and \ find \ the \ union \ of \ these \ primes.$  

$9:3,3$ 

$12: 2,2,3$ 

$Therefore, the \ LCM \ is \ 2*2*3*3=36$