Skip to main content

Your source for content-rich, kid-safe online resources.

  • Global rating average: 0.0 out of 5
  • 0.0
  • 0.0
  • 0.0
  • 0.0
  • 0.0

Math: Multiples and Factors

These sites can help children understand multiples and factors and the difference between them. They also contain lessons on Least Common Multiple (LCM) and Greatest Common Factor (GCF). Includes interactive games, online exercises, in-class activities, and online factor generators.


  • 4,
  • 5


Use this dictionary to find definitions with examples and practice exercises for Multiples and Factors.
Learn what is a factor of number and multiples of number. Advance from page one to page four and try the online math workout.
Find here what is the difference between multiples and factors.
Find the answer to a simple question: "What is a factor?" NOTE: The "Talk" link leads to message boards.
Read about factors then scroll down the page to practice finding factors. Then scroll down again and play a game.
Select the "Introduction to Factoring" and the "Finding All the Factors of a Number" links to become a factor expert.
Use the online prime factors generator and read explanation to each example.
Enter any number in the field and click the "Calculate" button. It will produce sets of factors.
In this online game you can find factors and multiples along with powers, prime and triangular numbers. Click on the "Key Idea" link at the top to learn what these numbers are. Select a difficulty level and start the game. NOTE: The "Talk" link leads to message boards.
Play this game with a friend or use the one-player mode and test how much you know about factors and multiples.
Find the right tile-factor on the board to revel a hidden picture. NOTE: This Flash game may take a couple of minutes to download.
This interactive Area Models Gizmo can help students visualize how numbers can be broken down by factors. Try a short quiz after learning factors.
This page contains extended information about factors. Select the "Now You Try" link for online exercises. At the very bottom of the page find a link to the "Least Common Multiple (LCM), Greatest Common Factor (GCF)."
Find exercises, an interactive online game, and practice in finding the Least Common Multiple.
This lesson can teach students in four steps how to find LCM. Includes examples and online exercises.
Here is a Q & A on how to find the Lowest Common Multiple. NOTE: The "Talk" link leads to message boards.
Learn about the GCF step by step and test new knowledge in online exercise.
These sites offer many fun interactive games that let students practice their multiplication skills. Includes multiplication tables, flashcards, and classroom activity ideas.

Education Standards


Created: | Updated: