* how_to_use

1.You can train yourself to find the divisors of a number or common divisors of two numbers. 

2.You can choose the type of training by clicking either the "Training Divisors" or "Train Common Divisors" button at the bottom of the screen. One or two random training numbers will then appear at the upper part of the screen.
You can change the given number (or two numbers) if you wish.

3. Clicking the frog will make many numbers appear in white boxes at the middle of the screen. Your task is to select the divisors (common divisors) of the one or two given number(s)








