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摘要： static bool IsPrime(int n) { return Enumerable.Range(2, (int)Math.Sqrt(n) - 1).All(i => n % i != 0); }相关知识一：Enumerable.Range MethodGenerates a sequence of integral numbers within a specified range.Namespace: System.LinqAssembly: System.Core (in System.Core.dll)public... 阅读全文