The Least Common Multiple

Practice Set A

Find the first five multiples of the following numbers.

1. 4
2. 5
3. 6
4. 7
5. 9

Practice Set B

Find the first five common multiples of the following numbers.

1. 2 and 4
2. 3 and 4
3. 2 and 5
4. 3 and 6
5. 4 and 5

Practice Set C

Find the LCM of the following numbers.

1. 20 and 54
2. 14 and 28
3. 6 and 63
4. 28, 40, and 98
5. 16, 27, 125, and 363