Ch 39: The Least Common Multiple & Greatest Common Factor

About This Chapter

Become proficient in prime factorization and learn strategies for finding the least common multiple and the greatest common factor. Within this chapter are a series of video lessons on the subjects. You could also benefit from the chapter's quizzes.

The Least Common Multiple and Greatest Common Factor - Chapter Summary

This chapter discusses the different parts of whole numbers and provides you with methods for reducing numbers to their smallest possible components. Discover shortcuts for calculating the least common multiple and the greatest common factor by watching these video lessons and studying examples that have clearly outlined steps. Eventually, you could become capable of solving these problems expertly. Allow this chapter's lessons to assist you with:

  • Determining the prime factorization of numbers
  • Defining multiples and discovering their similarity to factors
  • Learning techniques for finding the least common multiple
  • Looking at the commonalities of numbers in order to find the greatest common factor
  • Understanding the instances in which you'll use the greatest common factor

Animated and entertaining, these online video lessons are delivered by well-qualified instructors. Watch them on your mobile device, or read through the transcripts and explore the bold terms. With rewind, forward and pause features, the lessons are completely self-paced. They're also accessible 24/7. When you're working on the self-assessment quizzes, keep in mind that you can take them more than once. If you like, skip to the portion of the video that has the correct answers and study a topic further. Print out the question-and-answer worksheets so you can utilize them as extra study tools.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

Earning College Credit

Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.

Other Chapters

Other chapters within the Ohio Assessments for Educators - Elementary Education (018/019): Practice & Study Guide course