费马小定理 费马小定理 费马小定理证明应用 费马小定理：假如 a 是一个整数， p 是一个质数，那么 a p − a 是 p 的倍数，可以表示为 a p ≡ a ( m o d p ) 如果 a 不是 p 的倍数，这个定理也可以写成 a p − 1 ≡ 1 ( m o d p ) 证明 因为 …
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