383 is cool
Matt Parker on 383 and Woodall Primes.
PrimeGrid: http://www.primegrid.com
Playlist of Numberphile prime videos: http://bit.ly/primevids
Matt prints out the largest ever Mersenne Prime: https://youtu.be/tlpYjrbujG0
Matt's Standupmaths channel: https://www.youtube.com/user/standupmaths