V.O: Take a look. What do you see? What do you see! Numbers, well done… Give yourself a healthy sugar free snack and take the rest of the day off… NO! Think it was going to be this easy? You're about ...

Find one million consecutive positive numbers, none of which are prime. Ancient math tells us that prime numbers (2, 3, 5, 7, 11, ...,), which have no factors except for 1 and themselves, go on ...

Narrator: Prime Numbers are numbers which can only be divided by themselves and 1. And Prime factors are the prime numbers which multiply together to make a number. It can take some time to work out ...