You Can Count on Monsters

In the book You Can Count on Monsters, Richard Evan Schwartz has a great way of showing how all numbers are made up of prime number ingredients. Starting with prime numbers, like 2, 3, 5 and 7, he shows how other non-prime numbers are made up of the prime numbers.

 

For a number that's not prime, we look at it's prime factors and draw those, like this for 14:

We looked back at our prime number trees,

then made our own pictures to show the prime factors of some numbers. Can you see how they work? (Click on the pictures to see them bigger.)