Euler's criterion love

Euler's criterion

Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A theorem which states that, given a positive integer a which is coprime to an odd prime number p, a is a quadratic residue of p if and only if is congruent to 1 modulo p.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Named after Leonhard Euler (1707–1783), Swiss mathematician and physicist, who devised the criterion in 1748.

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