Least Common Multiple

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 4 and 5?

Back

20

Front

What is the LCM of 6 and 8?

Back

24

Front

True or False: The LCM of two numbers is always greater than or equal to the larger number.

Back

True

Front

What is the LCM of 1 and any number?

Back

The LCM is the number itself.

Front

What is the LCM of 12 and 15?

Back

60

Front

How can prime factorization help in finding the LCM?

Back

By finding the prime factors of each number, you can take the highest power of each prime factor to find the LCM.

Front

What is the LCM of 3 and 7?

Back

21

Front

If two numbers are coprime, what is their LCM?

Back

The LCM of two coprime numbers is the product of the two numbers.