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...

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.

Students simplify fractions by dividing the numerator and denominator by the GCF (the greatest common factor). They check their work by using a calculator.

In this lesson students can use different strategies to find the GCF of numbers less than 100.

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

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

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

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

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

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

Understand how to find the greatest common factor.

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.

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...

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.

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.

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.

Students use a graphing calculator to find the Greatest Common Factor of two or more numbers.

Sixth graders find the greatest common factor and least common multiple of numbers.

Find the greatest common factor of 2 or 3 integers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

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.

This site provides students practice with the concept of least common multiples and greatest common factors. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to...

In this lesson from WyzAnt, students learn how to find the greatest common factor (GCF) for numbers and expressions. There are practice problems and a GCF calculator for assistance.

This tutorial demonstrates how to factor the GCF out of a polynomial expression. An online worksheet is provided for extra practice.

Find a quick, concise explanation of how to find the greatest common factor. Examples are given and clearly explained.