Question

Why doesn't the proof for the case n=4 of Fermat's Last Thereom work for the case n=3?

Answer 1

Didn't some guy write a 100 page proof about that? aha

Answer 2

Well, yes. :) But the proofs for the case n=3 and n=4 and much much shorter. I'm trying to find out the difference.

Answer 3

n=4 http://fermatslasttheorem.blogspot.com/2005/05/fermats-last-theorem-n-4.

Answer 4

n=3 http://fermatslasttheorem.blogspot.com/2005/05/fermats-last-theorem-proof-for-n3.html