Factor Game Rules

 The Factor Game Board 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
1. Player A chooses a number on the game board by clicking the mouse on the number to "color it".

2. Using a different color, Player B colors all the proper factors of Player A's number. The proper factors of a number are all the factors of that number, except the number itself. For example, the proper factors of 12 are 1, 2, 3, 4, and 6. Although 12 is a factor of itself, it is not a proper factor.

3. Player B colors a new number, and Player A colors all the factors of the number that are not already colored.

4. The players take turns choosing numbers and coloring factors.

5. If a player choses a number that has no factors left that have not been colored, that player loses a turn and does not get the points for the number colored.

6. The game ends when there are no numbers remaining with uncolored factors.

7. Each player adds the numbers that are colored with his or her color. The player with the greater total is the winner.

Original Applet written by R. Burgis, modified by S. Keller

 © 2006 Connected Mathematics Project, Michigan State University

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