- Location
- Switzerland
- Name
- Matt
- Start Date
- Aug 16, 2020
- End Date
- Aug 16, 2020
A little math fun this time: There are several interesting ways to get to 77:
M.
- The obvious one makes it a bi-prime: 7*11=77
- It's also the sum of the first eight primes: 2+3+5+7+11+13+17+19=77
- And it's the sum of three squares: 4^2+5^2+6^2=77
M.