What is the lowest common multiple (LCM) of 13 and 5?
65
Multiples of 13 are 13, 26, 39, 52, 65, 78, ... and so on.
Multiples of 5 are 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70...
We can see that 65 is the lowest common multiple of 13 and 5.