Least Common Multiple Practice

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 LCM of 9 and 15?

Back

The LCM of 9 and 15 is 45.

Front

What is the LCM of 3, 4, and 8?

Back

The LCM of 3, 4, and 8 is 24.

Front

What is the LCM of 6 and 7?

Back

The LCM of 6 and 7 is 42.

Front

What is the LCM of 15 and 20?

Back

The LCM of 15 and 20 is 60.

Front

What is the LCM of 12 and 14?

Back

The LCM of 12 and 14 is 84.

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 relationship is given by the formula: LCM(a, b) = (a * b) / GCD(a, b), where GCD is the greatest common divisor.

Front

What is the LCM of prime numbers?

Back

The LCM of two or more prime numbers is simply their product.