Welcome to the Math Salamanders Prime Numbers Chart page.

Search for your own prime numbers, find the factors of a number and
print out some of our pre-prepared prime number lists here.

- A prime number is a number that is only divisible by itself and 1.
- It must also be greater than one.

Another way of saying this is that the only factors of a prime number are 1 and the number itself.

Input any value into our Find Prime Numbers Calculator and it will find all the primes up to and including your value.

You can then take this information and copy and paste it into a prime numbers chart somewhere else if you wish!

Input any value into our Find Prime Numbers Difference Calculator and it will find all the primes up to and including your value and also display each prime on a new line along with the difference between it and the prime before.

You can also choose several intervals and display them one under another to compare them.

You can then take this information and copy and paste it into a prime numbers chart somewhere else if you wish!

We have several pre-prepared prime number charts for you to print.

The first three charts features all the numbers up to a given value, with the prime numbers highlighted.

The following chart only give the prime numbers themselves on a single page for quick reference.

Prime Numbers Charts to ...

Take a look at some more of our worksheets similar to these.

Our Prime Numbers List page is similar to the prime number charts on this page but contains charts giving the first ... set of prime numbers.

We have charts showing ...

- the first 100 primes
- the first 200 primes
- the first 500 primes
- the first 1000 primes

There is also a Prime Number Tester which will tell you whether or not a given number is prime and tell you all the factors of that number.

The Sieve of Erastosthenes is a method for finding what is a prime numbers between 2 and any given number.

Eratosthenes was a Greek mathematician (as well as being a poet, an astronomer and musician) who lived from about 276BC to 194BC.

If you want to find out more about his sieve for finding primes, and print out some Sieve of Eratosthenes worksheets, use the link below.

Take a look at our Prime Number page which clearly describes what a prime numbers is and what they are not.

There are also many different questions about prime numbers answered, as well as information about the density of primes.

How to Print or Save these sheets

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Follow these 3 easy steps to get your worksheets printed out perfectly!

How to Print or Save these sheets

Follow these 3 easy steps to get your worksheets printed out perfectly!

The Math Salamanders hope you enjoy using these free printable Math worksheets and all our other Math games and resources.

We welcome any comments about our site or worksheets on the Facebook comments box at the bottom of every page.

Check out our NEW Halloween worksheets.

We have Halloween dot-to-dot and Halloween color-by-number sheets.

Looking for some fun printable math games?

We have some great games for you to play in our Math Games e-books!

Do you know how old you are...in weeks? days? hours?

Are you more than a million minutes old?

Find out how old you are to the nearest second!

Have a look at some of our most popular pages to see different Math activities and ideas you could use with your child

- Reverse Percentage Calculator
- List of Geometric Shapes
- Equivalent Fractions
- 3d Geometric Shapes
- Perimeter Worksheets

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