Prime Factory

Home

Time

Numbers

Time 30

Score 0

Best 0

Decompose this number

?

Choose prime factors

Ready.

How to play

Break each number down into prime factors before the clock reaches zero.

Press Start Game.
Tap prime factors whose product makes the number.
The game moves on automatically when the factorisation is complete.
Correct answers add 1 second. One wrong factor ends the game.