Infinite Anti-Primes (extra footage) - Numberphile

Main video:    • 5040 and other Anti-Prime Numbers - Number...   Featuring Dr James Grime. Prime Numbers - more videos: http://bit.ly/primevids NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook:   / numberphile   Numberphile tweets:   / numberphile   Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile Videos by Brady Haran Support us on Patreon:   / numberphile   Brady's videos subreddit:   / bradyharan   A run-down of Brady's channels: http://www.bradyharan.com Sign up for (occasional) emails: http://eepurl.com/YdjL9