Greatest Common Factor and Least Common Multiple Review

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF is the largest positive integer that divides all the numbers in a given set without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

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

Front

What is the Least Common Multiple (LCM)?

Back

The LCM is the smallest positive integer that is a multiple of all the numbers in a given set.

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 are factors?

Back

Factors are numbers that can be multiplied together to get another number.

Front

What are the factors of 25?

Back

1, 5, 25

Front

What is the GCF of 35 and 49?

Back

7

Front

What is the LCM of 10 and 48?

Back

240

Front

What is the LCM of 4 and 14?

Back

28

Front

What is the GCF of 23 and 78?

Back

1