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Is it Prime?

In this worksheet, students revise and practise deciding whether or not a given number is prime.

'Is it Prime?' worksheet

Key stage:  KS 2

Year:  Year 5 11+ worksheets

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Factors and Multiples

Difficulty level:  

Worksheet Overview

Prime numbers only have two factors, 1 and the number itself.

All other whole numbers are known as composite.

 

The only even prime number is 2.

 

The list of prime numbers starts as follows:

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37........

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