Euler's criterion
/ˈɔɪ̯.lə(ɹ)z kɹaɪ̯ˈtɪ.ɹi.ən/
Euler's criterion proper noun: 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 a^((p-1)/2) is congruent to 1 modulo p.
Proper noun
Euler's criterion
- 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 a^((p-1)/2) is congruent to 1 modulo p.
Origin of Euler's criterion
Named after Leonhard Euler (1707–1783), Swiss mathematician and physicist, who devised the criterion in 1748.
Questions about Euler's criterion
- What does Euler's criterion mean?
- Euler's criterion means 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 a^((p-1)/2) is congruent to 1 modulo p.
- What part of speech is Euler's criterion?
- Euler's criterion is a proper noun.
- How do you pronounce Euler's criterion?
- Euler's criterion is pronounced /ˈɔɪ̯.lə(ɹ)z kɹaɪ̯ˈtɪ.ɹi.ən/.
Words near Euler's criterion in the dictionary
Source and license
Adapted from Wiktionary: Euler's criterion (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “Euler's criterion.” Word.ws, https://word.ws/euler%27s_criterion. Based on Wiktionary, CC BY-SA 4.0.
