Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of greatest common factors. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...

A complete lesson on Greatest Common Factors, including methods of finding, examples, and a practice multiple-choice quiz.

Twenty-four problems present a variety of problems working with finding the greatest common factor and finding prime factorizations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of...

[Free Registration/Login may be required to access all resource tools.] Find the greatest common factor of a given numbers using factor trees.

Two different methods of finding the greatest common factor are explained at this one page website. It is very easy to follow the step by step directions.

[Free Registration/Login may be required to access all resource tools.] Find the greatest common factor of a given number using lists.

Explore the world of Highest Common Factor or Greatest Common Factor (GCF) by going through its various aspects and properties. Find answers to questions like what is the highest common factor for a group of numbers, easy ways to...

When would you come across GCF and LCM? Students apply their knowledge of GCF and LCM to solve word problems.

[Free Registration/Login may be required to access all resource tools.] Find the greatest common factor of a given number using lists.

Sixth graders show what they know about greatest common factor and east common multiple.

Sixth graders differentiate between greatest common factor and least common multiple word problems.

Sixth graders further their understanding of finding the greatest common factor and least common multiples.

Sixth graders collaborate on a greatest common factor and least common multiple project.

Complete a step by step process to determine the greatest common factor.

Understand how to find the greatest common factor.

Gain an understanding of how to find the greatest common factor by viewing examples and a video lesson. [1:47]

Free online calculator provides help with finding the greatest common factor.

Excellent tutorial on GCF of polynomials, including examples and step-by-step instruction on factoring.

This lesson plan is for an activity using rods (Cuisenaire Bars) to help students understand the concept of factors, in particular the LCM and GCF of two numbers.

A page which generates number pairs and allows the user to find and enter the GCF. Keeps a running tally of correct/incorrect answers and has links to in depth review, if needed.

Purplemath shows an easy and orderly way to determine the GCF and LCM of any two numbers. Even large numbers won't be a challenge with this method.

This task asks students to apply the concepts of factors, common factors, and the greatest common factor in an abstract context. Aligns with 6.NS.B.4.

Find the greatest common factor between two numbers. You may set the total number of problems per page, the minimum and maximum numbers, and an answer key is optional.

This WebMath site contains a tool for locating the greatest common factor. Simply plug in the numbers and you are on your way! Use it to check your answers.