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Maths: Wrestling with Primes

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Summary

Presenter Matthew Tosh looks at the complex subject of prime numbers, from the theories relating to them, to some of their uses, in an information-packed video for maths teachers.

For centuries, mathematicians have been searching for both larger primes and ways of breaking numbers down into their prime factors.

Here, we see how prime numbers are used in cryptography algorithms, to help keep our money safe. And starting with Euclid's fundamental theorem of arithmetic, this video explains the role prime numbers play in internet security.

Published : Jun 2010

15 mins

Series

Professional Knowledge

Roles

Secondary Teacher

Subjects

Secondary Maths

Number and algebra

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