Prime Number Challenge for Maths Students - Proving a Number is Prime -

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Homework - Math Resources - Proving a Number is Prime?

Proving a Number is Prime

Summary: When dealing with smallish numbers there is an easy way to explore if a number is prime or not.


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If you use blocks to model numbers you will find that the blocks can be arranged into a variety of different rectangles. Take 12 for example.

Prime numbers can only be arranged into a rectangle that is a single line.

Test this statement to see if it is true and then explain why this is so?

Can you now write your own prime numbers law?

A number is prime if it cannot…

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