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## Main Question or Discussion Point

Morning everybody!

I'm trying to prove a curious little property of quadratic nonresidues:

Let p>5 be a prime number. p|S where S is the sum of the squares of its [p's, that is] quadratic nonresidues.

However, I didn't make any headway with this problem. I will very much appreciate your help.

Have a nice weekend!

R.C.

I'm trying to prove a curious little property of quadratic nonresidues:

Let p>5 be a prime number. p|S where S is the sum of the squares of its [p's, that is] quadratic nonresidues.

However, I didn't make any headway with this problem. I will very much appreciate your help.

Have a nice weekend!

R.C.