Greatest Common Factor

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF is the largest positive integer that divides two or more numbers 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 they have in common.

Front

What is the GCF of 18 and 24?

Back

6

Front

What is the GCF of 18 and 45?

Back

9

Front

Sara had 16 red flowers and 24 yellow flowers. What is the greatest number of bouquets she can make?

Back

8

Front

What is the GCF of 32 and 40?

Back

8

Front

Kiara baked 30 oatmeal cookies and 48 chocolate chip cookies. How many identical containers can she use?

Back

6

Front

What is a factor?

Back

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

Front

What is a multiple?

Back

A multiple is the result of multiplying a number by an integer.

Front

List the factors of 18.

Back

1, 2, 3, 6, 9, 18