This is simply the simplest and least time consuming app to check if a number is prime or not. All you have to do is type your number and in an instant, you'll know if it is prime or not.
How to use :
1) Open the app.
2) Type the number you want to check.
3) Read whether it is prime or not, on the screen.
4) Tap on 'DELETE' to delete the number one digit at a time. Long press to delete the whole number at once.
5) Repeat.
6) The 'BACK' button can be used to close the app immediately.
This app works for all numbers in the range 1-2147483647.
Processing time for numbers is usually negligible but it may be longer (1-2 seconds) for larger numbers like 2147483647.
Enabled scrolling of the screen to make the app easier to use on smaller devices.
9Apps 4.9
