This game allows you to practice your prime-factorization skills, for example:
84 → 22 x 3 x 7.
Choose your game mode below to start:
Click the small + button to add a factor branch to the tree. Click on a - button to remove a branch.
Enter the factorization below and click on the ? button to check. You can leave a factor blank and it will be ignored.
You factored the seed correctly. Watch it grow!