Ch 34: Number Theory & Prime Factorization

About This Chapter

These video lessons provide a fun way for your 3rd through 5th graders to learn number theory and prime factorization. Quizzes follow each lesson to give students a chance to show what they learned in the lesson.

Number Theory & Prime Factorization - Chapter Summary

These short, engaging video lessons review number theory and prime factorization. The lessons are designed by math teachers to break down this subject into easy to learn components to help your students master the materials. Each lesson also offers examples so students can practice their number theory and prime factorization skills. A chapter exam offers you the opportunity to see how well your students comprehend the information.

Chapter Lessons and Objectives

Converting Numbers to Scientific Notation Instructors introduce scientific notation and teach students to convert numbers to scientific notation.
Comparing Numbers Written in Scientific Notation Students learn to compare numbers written in scientific notation.
Identifying Prime & Composite Numbers This lesson shows students how to identify prime and composite numbers.
How to Find the Prime Factorization of a Number Experts demonstrate how to find the prime factorization of a number.
How to Find the Prime Factorization with Exponents Here students will learn to find the prime factorization of a number using exponents and order factors from least to greatest values.
How to Find the Greatest Common Factor Pupils will determine how to calculate the greatest common factor.
How to Find the Least Common Multiple Instructors show students how to find the least common multiple.
Using Prime Factorizations to Find the Least Common Multiples Our guides will teach students to find the least common multiples of two or more numbers using prime factorization.
Word Problems with Greatest Common Factor and Least Common Multiple In this lesson, students will be able to apply what they've learned about greatest common factors and least common multiples to solve word problems.

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.