Primes

Have fun with prime numbers, 2 different ways to play, 3 levels of complexity each. The goal is to make the sum of every row and column be a prime number. Roll The Prime This is a game where you need lots of luck and some skill. Place randomly generated numbers on the grid, make the sum of every row and column be a prime number. Even with superb skills, your chance of successfully completing the game is less than 25%. Puzzle Primes This is a game of skill and mental math. Swap numbers on the grid to make the sum of every row and column a prime number, it may take you 5 moves or 15 moves but every puzzle has a solution.