Prime number calculator

You will find the prime number calculator on this page very easy to use.

Just enter a number into the box on top and click on the button that says calculate.

Recall that a number is prime if it can only be divided by 1 and itself

For example, 8 is not prime because it can be divided by 2

7 is prime because it can only be divided by 1 and 7

Sometimes, it is tricky to see if a number is prime or not.

Try putting 93 in the calculator and you will see that 93 is not prime because it can be divided by 3 and 31.

However, 93 looks prime if you do not take time to think about.

Use the calculator below to practice until you have no problem recognizing what a prime number is.

Please enter a number:


Check also prime numbers chart .A display a all prime numbers from 1 to 5003!

Still struggling with fractions? Get rid of your fears and frustrations once and for all!

Buy my ebook. It offers a thorough coverage of fractions!

Fractions ebook cover

Page copy protected against web site content infringement by Copyscape

Recent Articles

  1. Units of Time

    May 11, 16 10:36 AM

    Concept web about units of time from the smallest unit to the largest unit

    Read More

New math lessons

* indicates required

Your email is safe with us. We will only use it to inform you about new math lessons.

job title, keywords
city, state, zip
jobs by job search