GCF and LCM

Front

What is the GCF (Greatest Common Factor)?

Back

The GCF of two or more numbers is the largest number that divides all of them without leaving a remainder.

Front

Find the GCF of 44 and 55.

Back

11

Front

Find the GCF of 6 and 12.

Back

6

Front

What is the LCM (Least Common Multiple)?

Back

The LCM of two or more numbers is the smallest number that is a multiple of all of them.

Front

Find the LCM of 5, 9, and 15.

Back

45

Front

Find the GCF of 28 and 42.

Back

14

Front

Identify the common factors of 10 and 15.

Back

1 and 5.

Front

How do you find the GCF of two numbers?

Back

List the factors of each number and identify the largest factor they have in common.

Front

How do you find the LCM of two numbers?

Back

List the multiples of each number and identify the smallest multiple they have in common.

Front

What are factors?

Back

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