Prime Number Judge

Description

This app is a game that figures to be determined whether the display is a prime number.
When you start the game, the ○ If I think it's a prime number will appear,
Press the × I thought is not a prime number.

Come on, everyone, etc. I forgot that I learned at school prime

How far, can you determine the prime?

- Prime (Prime Number)] and is
A prime number is that has no positive divisors other than 1 and itself, not one of the natural numbers.

Example)
Because of the positive divisors 1, 2, 2, prime
Since the positive divisor 1,3, 3, prime
Since the positive divisors of 1, 2, 4, 4 is not a prime number
Since the positive divisors of 1, 5, 5, prime