Choose whether to use the Pencil or the Eraser!
Multiple colors for you to draw with!
Explore the limits of your creativity!
Best experienced with a Drawing Pad.
"Paint, but in Scratch." - Main coder.
Press the button below or any key to start. When you start the test, a red screen will appear. As soon as this red screen turns into a green screen, press any key or the screen itself. Then, see the results!
Enter a random integer and positive number (up to a quadrillion)! Find out if that number is a prime one or not!