Least Common Multiples

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

How do you find the LCM of two numbers?

Back

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

Front

What is the LCM of 3 and 20?

Back

60

Front

What is the LCM of 8 and 5?

Back

40

Front

What is the LCM of 15 and 2?

Back

30

Front

What is the LCM of 6 and 8?

Back

24

Front

True or False: The multiples of 7 include 1, 6, 7, 9, 3, 6, 4.

Back

False

Front

List the first five multiples of 4.

Back

4, 8, 12, 16, 20

Front

What is the relationship between LCM and GCD (Greatest Common Divisor)?

Back

The product of the LCM and GCD of two numbers is equal to the product of the numbers.

Front

What is the LCM of 10 and 15?

Back

30