Can anyone help me with this question?(adsbygoogle = window.adsbygoogle || []).push({});

Suppose (a, b)=1 . Prove that if p is any odd prime which divides a^2 + b^2 then p ≡ 1 ( mod 4).

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: A number theory question

**Physics Forums | Science Articles, Homework Help, Discussion**