How-can-you-proove-what-follows-If-4n-1-is-prime-then-4n-1-a-2-b-2-with-a-b-N-Thank-you-

Question Number 52728 by hassentimol last updated on 12/Jan/19

H o w c a n y o u p r o o v e w h a t f o l l o w s ?

If (4 n + 1) is prime, then :

4 n + 1 = a^{2} + b^{2} with a, b \in N

T h a n k y o u