Factors & Multiples

Pick a factor or a multiple of the last number. Run out of moves and you lose!

✓ Free to play — no sign-up

Your turn

First move: tap any even number below 50.

YouComputerPlayable

How to play

1️⃣ Player 1 starts by choosing any even number below 50.
2️⃣ Take turns. Each number you pick must be a factor or a multiple of the number just played, and not used yet.
3️⃣ If it's your turn and there are no legal numbers left, you lose.