Greatest Common Factor and 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 Greatest Common Factor (GCF)?

Back

The Greatest Common Factor (GCF) 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 GCF of two numbers?

Back

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

Front

What is the LCM of 4 and 14?

Back

28

Front

What is the GCF of 16 and 24?

Back

8

Front

Maya had 16 red flowers and 24 yellow flowers. What is the greatest number of bouquets she can make with the same number of each color?

Back

8

Front

What is the LCM of 12 and 6?

Back

12

Front

What is the LCM of 6 and 10?

Back

30

Front

If the GCF of two numbers is 1, what does that indicate about the numbers?

Back

If the GCF of two numbers is 1, it indicates that the numbers are coprime, meaning they have no common factors other than 1.