{"author_name":"atcoder","image_url":"https://cdn.user.blog.st-hatena.com/default_entry_og_image/158934417/1702097020779738","blog_title":"AtCoderInfo","blog_url":"https://info.atcoder.jp/","categories":["\u6574\u6570\u8ad6","\u7d20\u6570","\u6709\u9650\u4f53","Fermat \u306e\u5c0f\u5b9a\u7406","\u539f\u59cb\u6839","Euler \u306e totient \u95a2\u6570"],"provider_name":"Hatena Blog","published":"2026-04-10 14:10:48","author_url":"https://blog.hatena.ne.jp/atcoder/","type":"rich","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finfo.atcoder.jp%2Fentry%2Falgorithm_lectures%2Fprimitive_root\" title=\"\u539f\u59cb\u6839 - AtCoderInfo\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://info.atcoder.jp/entry/algorithm_lectures/primitive_root","title":"\u539f\u59cb\u6839","version":"1.0","height":"190","description":"1. \u6982\u8981 \u672c\u8a18\u4e8b\u3067\u306f\uff0c\u7d20\u6570\u3092\u6cd5\u3068\u3059\u308b\u539f\u59cb\u6839\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\uff0e\u7279\u306b\u539f\u59cb\u6839\u306e\u5b58\u5728\u306e\u8a3c\u660e\u3092\u4e3b\u306a\u76ee\u6a19\u3068\u3057\u307e\u3059\uff0e \u3053\u308c\u306f $p$ \u3092\u7d20\u6570\u3068\u3059\u308b\u3068\u304d\uff0c$\\mathbb{F}_p$ \u306e\u5143\u306e\u3046\u3061 $0$ \u3067\u306a\u3044\u3082\u306e\u5168\u4f53\u304c\uff08\u3042\u308b\u3044\u306f $p$ \u3092\u6cd5\u3068\u3057\u3066 $1$ \u4ee5\u4e0a $p-1$ \u4ee5\u4e0b\u306e\u6574\u6570\u5168\u4f53\u304c\uff09\u7b49\u6bd4\u6570\u5217\u306e\u898f\u5247\u3067\u4e26\u3079\u3089\u308c\u308b\u3053\u3068\u3092\u4e3b\u5f35\u3059\u308b\u5b9a\u7406\u3067\u3059\uff0e\u4f8b\u3048\u3070 $p=11$ \u3068\u3059\u308b\u3068\u304d\uff0c\u521d\u9805 $1$\uff0c\u516c\u6bd4 $2$ \u306e\u7b49\u6bd4\u6570\u5217\u306f $$ 1, 2, 4, 8, 5, 10, 9, 7, 3, 6, 1, 2, 4, 8, 5, 10, 9, 7, 3, 6, 1, 2, 4, 8, 5, 10, 9, 7, 3, 6,\u2026","width":"100%"}