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欧拉定理

Posted by haifeng on 2011-06-12 09:21:36 last update 0000-00-00 00:00:00 | Edit | Answers (0)

设 $m$ 是大于 1 的整数, $(a,m)=1$(即$a$与$m$互素), 则有 \[ a^{\varphi(m)}\equiv 1(\text{mod}\ m) \]