Question
Let p be an odd prime number. Prove the following facts about squares modulo p. Use primitive roots to prove a) to d) (a) The
Let p be an odd prime number. Prove the following facts about squares modulo p. Use primitive roots to prove a) to d)
(a) The number of quadratic residues modulo p is the same as the number of nonquadratic residues.
(b) The product of two quadratic residues is again a quadratic residue.
(c) The product of two nonquadratic residues is a quadratic residue.
(d) The product of a quadratic residue and nonquadratic residue is a nonquadratic residue.
(e) Use the previous facts to justify that the Legendre Symbol satisfies (ab/p) = (a/p) (b/p) for any integers a, b.
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a Let g be a primitive root modulo p Then the quadratic residues modulo p are precisely the squares ...Get Instant Access to Expert-Tailored Solutions
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Introduction to Algorithms
Authors: Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest
3rd edition
978-0262033848
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