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- using System;
- namespace _06._Prime_Checker
- {
- class PrimeChecker
- {
- static void Main(string[] args)
- {
- long n = long.Parse(Console.ReadLine());
- bool isPrime = GetPrimeNumber(n);
- Console.WriteLine(isPrime);
- }
- private static bool GetPrimeNumber(long n)
- {
- bool isPrime = true;
- if (n == 0 || n == 1)
- {
- isPrime = false;
- }
- for (int i = 2; i <= Math.Sqrt(n); i++)
- {
- if (n % i == 0)
- {
- isPrime = false;
- break;
- }
- }
- return isPrime;
- }
- }
- }
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