Divide by 1 (com.tatw.primemaster) on Google Play
A Prime number can be divided only by 1 and the number itself. First few prime numbers 2, 5, 7, 11, 13 ... Remember, 0 and 1 is not prime.How to play:- 4 different levels, easy, normal, hard and survival- You have only one chance to choose correct answer- Find as many prime numbers you can- Reach high score!!!- Beat your friends!!!Keep your mind healthy, test your mental math and exercise your brain once a day.