Least common multiple

Front

What is the Least Common Multiple (LCM)?

Back

The 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, list the multiples of each number and identify the smallest multiple that appears in both lists.

Front

What is the LCM of 4 and 9?

Back

36

Front

What is the LCM of 5 and 24?

Back

120

Front

What is the LCM of 21 and 30?

Back

630

Front

What is the LCM of 2 and 5?

Back

10

Front

What is the LCM of 15 and 2?

Back

30

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 GCD and LCM?

Back

The product of the GCD (Greatest Common Divisor) and LCM of two numbers is equal to the product of the numbers.

Front

Can the LCM of two numbers be smaller than both numbers?

Back

No, the LCM is always greater than or equal to the largest of the two numbers.