357686312646216567629137 - Numberphile
Truncatable Primes with Dr James Grime... Check out Brilliant (and get 20% off their premium service): https://brilliant.org/numberphile (sponsor)
More links & stuff in full description below ↓↓↓
Dr James Grime is available for public talks. See his website: http://singingbanana.com
More vid
link
marathon mathematics prime number