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A Prime number is a number which is only divisable by one and itself,

for example 2,3,5,7,11,13

However it is essential to remember that 2 is the ONLY even prime number and 1 is not a prime number because it is only divisable by itself prime numbers are mostly odd numbers.

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Q: How do you work out a prime number?
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Related questions

How do you work out the product of a prime number?

I assume you are asking how do you work out the factors of a prime number. A prime number by definition only has itself and 1 as factors.


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