What is the least common multiple of 3 and 22?

The LCM of 3 and 22 is 66

A multiple of a number is every number larger or equal to the number that is evenly divisible by it. So for 3 the multiples would be 3,6,9,12 etc. And for 22 they would be 22, 44, 66,88 etc. From the list of the multiples of 22 we can see 66 is the lowest number that is also divisible by 3, and is therefore also a multiple of 3.