New Largest Known Prime Number – Numberphile

There is a new “largest known prime number”.
Extra footage: http://youtu.be/o0ZOs7sMS7k
More on Mersenne Primes: http://www.youtube.com/watch?v=PLL0mo…
Perfect Numbers: http://www.youtube.com/watch?v=ZfKTD5…
Googolplex: http://www.youtube.com/watch?v=8GEebx…
Graham’s Number: http://www.youtube.com/watch?v=XTeJ64…

This video features Dr Tony Padilla from the University of Nottingham.

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Videos by Brady Haran