Prime Number Detector Enter a random integer and positive number (up to a quadrillion)! Find out if that number is a prime one or not! Instructions: Click the screen to input your number. Type the number with your keyboard's numerical keys. To go back on typing, use the left arrow key. Press Enter to enter the number. See the results! Don't press keys R, O, D at the same time when entering a number.
Coding 100% made by me. ~2 hours of coding +1.5 hours for the progress bar.
