Least Common Multiples

Front

What is a multiple?

Back

A multiple of a number is the product of that number and an integer. For example, the multiples of 5 are 5, 10, 15, 20, etc.

Front

What are the first five multiples of 10?

Back

10, 20, 30, 40, 50

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

What is the LCM of 3 and 20?

Back

60

Front

What are the multiples of 7?

Back

The multiples of 7 are 7, 14, 21, 28, 35, etc.

Front

Is 1, 6, 7, 9, 3, 6, 4 a list of multiples of 7?

Back

False

Front

What is the LCM of 6 and 8?

Back

24

Front

What is the LCM of 8 and 5?

Back

40

Front

How do you find the LCM of two numbers?

Back

To find the LCM, list the multiples of each number and find the smallest multiple that appears in both lists.

Front

What is the LCM of 4 and 10?

Back

20