This app checks whether the entered number is prime or not (Primality test).

The app can check primality for large numbers if given enough time (say a 30 digit number). Time taken to check the primality entirely depends upon the entered number.

This app is specifically for educational purposes based on a standard algorithm and not for any other purpose.

This app is mainly targetted to mathematics, physics, statistics, science, technical, medical and engineering students for education purpose only and not to be used for any other purpose.

This app is ABSOLUTELY FREE, NO IN APP PURCHASES and NO ADS.


If there is any bug or the results are incorrect please let me know it by email.

*** All of my apps / games are voice enabled. Proper text to speech (English speaking female voice) component may be downloaded and installed in some phones / devices if it is not already installed or compatible.