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Identify Prime and Composite Numbers

In this worksheet, students will decide whether a given number is prime or composite.

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'Identify Prime and Composite Numbers' worksheet

Key stage:  KS 2

Year:  Year 5 11+ worksheets

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Special Numbers

Difficulty level:  

Worksheet Overview

A prime number is one that has only two factors, itself and 1.


A composite number is one that has more than two factors.


Prime numbers include 2, 3, 5, 7, 11, 13, 17 etc.....


Composite numbers include 4, 6, 8, 9, 10, 12, 14, 15 etc....


If you need to check this out during the activity, just click on the red help button on the screen to see this page again.


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