GCF & LCM

Front

What does GCF stand for in mathematics?

Back

GCF stands for Greatest Common Factor.

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 identify the largest factor that appears in both lists.

Front

What is the GCF of 56 and 49?

Back

7

Front

What is the GCF of 12 and 6?

Back

6

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number.

Front

Which of the following is NOT a factor of 9? 0, 1, 3, 9

Back

0 is NOT a factor of 9.

Front

What are the factors of 25?

Back

The factors of 25 are 1, 5, and 25.

Front

What does LCM stand for in mathematics?

Back

LCM stands for Least Common Multiple.

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 4 and 5?

Back

The LCM of 4 and 5 is 20.