Description: Press "Y" if the number is Prime. Press "N" if the number is Composite (not prime). You have 3 prime landing ships, so play carefully and get each prime landing to the platform before it crashes.
Category: Math Games
Note: This game requires Adobe Flash Player. If game does not load, try installing the newest Flash Player. This game takes a few seconds to load.
Put the jigsaw puzzle pieces together to form a picture of yummy Halloween Treats. Also available for touch-screen devices on PrimaryGames Mobile.