GCF and LCM

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor, which is the largest number that divides two or more numbers without leaving a remainder.

Front

What does LCM stand for?

Back

LCM stands for Least Common Multiple, which is the smallest number that is a multiple of two or more numbers.

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 they have in common.

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 they have in common.

Front

What is the GCF of 18 and 24?

Back

The GCF of 18 and 24 is 6.

Front

What is the LCM of 3 and 5?

Back

The LCM of 3 and 5 is 15.

Front

List the factors of 15.

Back

The factors of 15 are 1, 3, 5, and 15.

Front

List the multiples of 4 up to 40.

Back

The multiples of 4 up to 40 are 4, 8, 12, 16, 20, 24, 28, 32, 36, and 40.

Front

Is the GCF of 8 and 12 greater than 4?

Back

Yes, the GCF of 8 and 12 is 4.

Front

Is the LCM of 6 and 8 greater than 24?

Back

No, the LCM of 6 and 8 is 24.