This app is a shooting factoring game. Put the button of a prime number, emit the ray and divide the number written in meteorites! This app specifies the factors of the number by using a factoring algorithm. Destroy all meteorites quickly not to be damaged by them. This is a calculation game that can improve your calculation and memorization skills by turning an arithmetic/math quiz into a game. Many meteorites fall simultaneously. So, you can choose which of them you divide by tapping the ima