Factors and Multiples

Factors and multiples are the building blocks of Number Theory. Try these problems and games and get to grips with the underlying structure of our number system.

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Got It

Can you be the first to hit 23? Play the game and see if you can come up with a winning strategy.

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Factors and Multiples Chain

Each number must be a factor or multiple of the last. What's the longest chain you can make?

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Got It: Taking it Further

Mastered Got It? Then see where to go next!

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How to Solve Equations

Watch this talk by Dr Vicky Neale as she explores some equations, and covers some highlights from the rich history of number theory along the way.