2 ms·

I guess even if they're not common, clearly the person who first came up with 3x+1 didn't know it was going to be so hard to solve. So it was a random simple pr

by soheil 5y ago

I guess even if they're not common, clearly the person who first came up with 3x+1 didn't know it was going to be so hard to solve. So it was a random simple problem to formulate that ended up being very difficult to solve.

spoonjim 5y ago
The entire mathematical world realized how interesting the Collatz conjecture was as soon as it was put forward. And it took until 1937 when Euclid figured out most of geometry 2000 years ago.
- smegger001 5y ago
  Euclid figured out most of geometry 2000 years ago... *for flat planes. there was this thing about parallel lines he got wrong