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 find the smallest multiple that appears in both lists.

Front

What is the LCM of 12 and 14?

Back

84

Front

What is the least common multiple of 4 and 12?

Back

12

Front

What is the least common multiple of 2, 5, and 10?

Back

10

Front

What is the least common multiple of 3, 4, and 8?

Back

24

Front

What is the LCM of 15 and 20?

Back

60

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.

Front

How can prime factorization help in finding the LCM?

Back

To find the LCM using prime factorization, express each number as a product of prime factors, then take the highest power of each prime factor.