# Using Prime Factor Decomposition

A lesson that investigates using numbers in prime factorised form.

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!

## Question 4

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

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!

## Question 4

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

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

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

Your video will re-appear on the next page, and will stay paused in the right place.

# 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.

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

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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