RSA is widespread on the Internet, and uses large prime numbers - but how does it work? Dr Tim Muller takes us through the details. Apologies for the poor audio quality of this video which is due to the remote nature in which it was recorded. https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com/