Prime or Composite Numbers Quiz - Pirate Gamer Online

Prime or Composite Numbers Quiz - Pirate Gamer Online For first, second, third, 4th grade math revision | Pirage Game | Math games online for children. Prime numbers are numbers that only have two factors, one and itself. Whiel composite numbers have more than one factor. In this list of prime numbers, two is the only even number in this category. Have fun learning how to distinguish the two using a free online pirate math game.