CSΟΡ Prime

iPhone / Utilitaires

This is a simple and fun math puzzle app. Players need to determine whether the numbers given are prime or composite. You get 1 point for every correct answer, and you don't get points for wrong answers. Support custom maximum number range, and the difficulty is freely controlled. The app is endless, challenging your math intuition and reaction speed anytime, anywhere, not only can relax and entertain, but also exercise your thinking ability. It is suitable for all ages. Come and challenge high scores and refresh your math limits!