# Math Help - Diophantine equation problem.

1. ## Diophantine equation problem.

Please, I need help (urgently) solving this Diophantine equation (proving that it doesn't have integer solutions):
x^5-y^2=4
Thanks in advance...

2. Originally Posted by TCKony
Please, I need help (urgently) solving this Diophantine equation (proving that it doesn't have integer solutions):
x^5-y^2=4
Thanks in advance...
There are no solutions modulo $11,22,33,44,55,66,77$. (It seems these are the only moduli without solutions...)

3. Thanks!