Practice Exercises C# Sharp - Learn to program with performing exercises C# Sharp

Practice Exercises C# Sharp

Learn to program with performing exercises C# Sharp


Prime number - Practice Exercises C# Sharp


Lesson 2:

Flow Control


Exercise 2.32:

Prime number


Objetive:

Write a program which asks the user for an integer number and answers if it is a prime number or not.


Source Code:

 
using System;
public class Prime
{
    public static void Main()
    {
        int number;
        int dividers = 0;

        Console.Write("Enter a number: ");
        number = Convert.ToInt32(Console.ReadLine());

        for (int i = 1; i <= number; i++)
            if (number % i == 0)
                dividers++;

        if (dividers == 2)
            Console.WriteLine("The number is prime");
        else
            Console.WriteLine("The number is not prime");
    }
}
Exercisey 2.32


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