# Math Help - Prove this is the only solution

1. It seems so easy... I can't believe there's no simple proof for this one! :/

2. Originally Posted by TriKri
It seems so easy... I can't believe there's no simple proof for this one! :/

1. Try harder

2. Nobody said that there is no elementary proof, just that neither we nor
the lecturer knew of one.

RonL

3. There is only one known elementary proof, at least, I think. It came from Euler, but it is a mess, many texts omit his proof but only mention it.

A sufficent (but not necessary) condition to determine whether you will be the next great mathemation can be determined if you can solve diophantine equations. If yes, then you have no need to fear.

Page 2 of 2 First 12