Oh, dude, the Least Common Multiple (LCM) of 15, 24, and 30 is like the smallest number that all three of those numbers can divide into evenly. So, you just gotta find the prime factors of each number and then take the highest power of each prime factor that appears in any of the numbers. Easy peasy lemon squeezy!
120
The LCM of 15 and 30 is: 30
The LCM is: 120
The LCM is 840.
The LCM is 360.
LCM of 15 and 2 is 30.
LCM of 12 15 and 24 is 120.The LCM is 120.
45
The LCM is 120.
The LCM is 120.
LCM of 30 and 18 and 24 is 360.
The LCM is 30.