The LCM's of 6, 5, and 3. To solve this question, let's list the multiples.
6: 6, 12, 18, 24, 30
5: 5, 10, 15, 20, 25, 30
3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30
As you can see, all of the three numbers have a multiple of 30. The LCM of 6, 5, and 3 is 30.
