The Biggest Number Ever

What is the biggest number ever used? Graham's number, discovered in the 1970s by mathematician Ron Graham, is so big as to be unfathomable. No one even knows what the first digit is – and a special form of notation is needed to describe it.

Maths - Number

A Twig Curriculum Film.
Delivering key learning points. Get straight to the facts in just three minutes – directly linked to core learning, Twig's curriculum films will fit neatly into your lesson plans.