- #1
moriheru
- 273
- 17
This may be a bit vague but can anyone explain this sentence to me
http://en.wikipedia.org/wiki/Quadratic_residue:"Modulo 2, every integer is a quadratic residue.
Modulo an odd prime number p there are (p + 1)/2 residues (including 0) and (p − 1)/2 nonresidues."
If this is to vague I apologize.
http://en.wikipedia.org/wiki/Quadratic_residue:"Modulo 2, every integer is a quadratic residue.
Modulo an odd prime number p there are (p + 1)/2 residues (including 0) and (p − 1)/2 nonresidues."
If this is to vague I apologize.