GCF and LCM

Front

What is the Greatest Common Factor (GCF)?

Back

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

Front

What is the Least Common Multiple (LCM)?

Back

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

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 the factors of 25?

Back

1, 5, 25

Front

What is an example of finding the GCF of 10 and 25?

Back

The GCF of 10 and 25 is 5.

Front

What is an example of finding the LCM of 4 and 10?

Back

The LCM of 4 and 10 is 20.

Front

If Peter has 18 oranges and 27 pears, what is the greatest number of fruit baskets he can make?

Back

3 baskets.

Front

What is the GCF of 30 and 45?

Back

The GCF of 30 and 45 is 15.

Front

What is the LCM of 6 and 8?

Back

The LCM of 6 and 8 is 24.