Least Common Multiple

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more integers is the smallest positive integer that is divisible by each of the integers.

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 they have in common.

Front

What is the LCM of 6 and 9?

Back

18

Front

What is the LCM of 10 and 6?

Back

30

Front

What is the LCM of 4 and 10?

Back

20

Front

What is the LCM of 12 and 8?

Back

24

Front

List the first four multiples of 7.

Back

7, 14, 21, 28

Front

Identify the incorrect multiple in the list: 7, 14, 22, 28.

Back

22 is incorrect; the correct multiple is 21.

Front

What is a multiple?

Back

A multiple of a number is the product of that number and an integer.

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.