Prime number program

Prime number program in c

#include<stdio.h>
#include<conio.h>
void CheckPrimeNumber(int number);
void main()
{
	int input;
	printf("Enter your number \n");
	scanf("%d",&input);
	CheckPrimeNumber(input);
	getch();
}
void CheckPrimeNumber(int number)
{
	int count=0;
	for(int i=2;i<number;i++)
	{
		if(number%i==0)
		{
			count=1;
			break;
		}
	}
	if(count==0)
	{
		printf("Yes, %d is a prime number",number);
	}
	else
	{
		printf("No, %d is not a prime number",number);
	}
}

Output

Enter your number
29
Yes, 29 is a prime number

Prime number program in c++

#include<iostream>
#include<conio.h>
using namespace std;
class PrimeNumber
{
public:
int CheckPrimeNumber(int number)
{
	int count=0;
	for(int i=2;i<number;i++)
	{
		if(number%i==0)
		{
			count=1;
			break;
		}
	}
	if(count==0)
	{
		return number;
	}
	else
	{
		return 0;
	}
}
};
void main()
{
    int input;
	cout<<"Enter your number \n";
	cin>>input;
	PrimeNumber primeNumber;
	int s = primeNumber.CheckPrimeNumber(input);
	if(s>0)
	{
		cout<<"Yes, "<<input<<" is a prime number";
	}
	else
	{
		cout<<"No, "<<input<<" is not a prime number";
	}
	getch();
}

Output

Enter your number
37
Yes, 37 is a prime number

Prime number program in c#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace PrimeNumberProject
{
    class PrimeNumber
    {
       public int CheckPrimeNumber(int number)
        {
            int count = 0;
            for (int i = 2; i < number; i++)
            {
                if (number % i == 0)
                {
                    count = 1;
                    break;
                }
            }
            if (count == 0)
            {
                return number;
            }
            else
            {
                return 0;
            }
        }
        static void Main(string[] args)
        {
            PrimeNumber pn = new PrimeNumber();
            Console.WriteLine("Enter your number");
            int input = Convert.ToInt32(Console.ReadLine());
            int s = pn.CheckPrimeNumber(input);
            if (s > 0)
            {
                Console.Write("Yes, " + input + " is a prime number");
            }
            else
            {
                Console.Write("No, " + input + " is not a prime number");
            }
            Console.ReadLine();
        }
    }
}

Output

Enter your number
43
Yes, 43 is a prime number

Prime number program in java

import java.util.*;
class PrimeNumber
{
	public int CheckPrimeNumber(int number)
    {
        int count = 0;
        for (int i = 2; i < number; i++)
        {
            if (number % i == 0)
            {
                count = 1;
                break;
            }
        }
        if (count == 0)
        {
            return number;
        }
        else
        {
            return 0;
        }
    }
}
class examples
{
public static void main(String[] args)
	{
     PrimeNumber primeNumber=new PrimeNumber();
     Scanner obj= new Scanner(System.in);
     System.out.println("Enter your number");
     int input=obj.nextInt();
     int s=primeNumber.CheckPrimeNumber(input);
     if(s>0)
     {
    	 System.out.println("Yes, "+input+" is a prime number");
     }
     else
     {
    	 System.out.println("No, "+input+" is not a prime number");
     }
     }
	}

Output

Enter your number
53
Yes, 53 is a prime number

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