PUMaC 2025 · 数论（A 组） · 第 4 题
PUMaC 2025 — Number Theory (Division A) — Problem 4
题目详情
- For p prime and k ≥ 1, let S denote the number of positive integers x < p where x ≡ 1 k k (mod p ). Find 4 X X ( p ) S . k p< 25 k =1 p prime
解析
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Original Explanation
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