GCD & LCM

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 identify the smallest multiple that appears in both lists.

Front

What is the GCD (Greatest Common Divisor)?

Back

The greatest common divisor (GCD) of two or more numbers is the largest number that divides each of the numbers without leaving a remainder.

Front

How do you find the GCD of two numbers?

Back

To find the GCD of two numbers, list the factors of each number and identify the largest factor that appears in both lists.

Front

What is the LCM of 9 and 6?

Back

18

Front

What is the LCM of 4 and 10?

Back

20

Front

What is the LCM of 2 and 12?

Back

12

Front

What is the GCD of 4 and 12?

Back

4

Front

What is the LCM of 4 and 7?

Back

28

Front

What is a multiple?

Back

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