# Euler二次剩餘判準

[目錄呈現與來源綁定資料](https://ocme.evemisslab.com/data/i18n/catalogue.en.json)



## [Euler二次剩餘判準](https://ocme.evemisslab.com/zh-Hant/atlas/atlas-euler-criterion-quadratic-residue/)

若p為奇質數且p不整除a，則a^((p-1)/2)模p等於Legendre符號(a/p)的模p代表。

atlas-euler-criterion-quadratic-residue · canonical_mko

[Euler二次剩餘判準](https://ocme.evemisslab.com/zh-Hant/mko/mko-euler-criterion-quadratic-residue/)

## 前置節點


- [Euler定理](https://ocme.evemisslab.com/zh-Hant/atlas/atlas-euler-theorem-number-theory/)
- [二次剩餘](https://ocme.evemisslab.com/zh-Hant/atlas/atlas-quadratic-residue/)
- [Legendre符號](https://ocme.evemisslab.com/zh-Hant/atlas/atlas-legendre-symbol/)