Using Prime Factor Decomposition

In this lesson, we will investigate how we can manipulate numbers when they are written as a product of their prime factors. We will learn how to idenitfy various properties of numbers by interrogating them as a product of prime factors.

Unit quizzes are being retired in August 2023

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Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Q1) Write 4 x 14 as a product of prime factors.

1/4

Q2.Which number is missing from this diagram?

2/4

Q3.Write 300 as the product of prime factors in index form.

3/4

Q4.Find the missing number/s.

4/4

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Q1) Write 4 x 14 as a product of prime factors.

1/4

Q2.Which number is missing from this diagram?

2/4

Q3.Write 300 as the product of prime factors in index form.

3/4

Q4.Find the missing number/s.

4/4

Video

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• Click "Close Video"
• Click "Next" to view the activity

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Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Prime Factor Decomposition

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.

1/4

Q2.

2/4

Q3.

3/4

Q4.True or False

4/4

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Prime Factor Decomposition

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.

1/4

Q2.

2/4

Q3.

3/4

Q4.True or False

4/4

Lesson summary: Using Prime Factor Decomposition

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