Determinar si dos números son Primos

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Este programa permite que se dijiten dos numeros por separados, y determinar si los dos (juntos) son un numero primo, ejemplo:

Digite numero: 1

Digite numero: 2

12

No es primo



[codesyntax lang="c"]

#include<stdio.h>
#include<conio.h>
void portada();
void final();
bool esPrimo(int n)
{
	for(int i=2;i<n;i++)
	{
		if(n%2==0)
		return false;
	}
	return true;
}
main()
{
	portada();
	int num1,num2,num;
	printf("Digite numero: ");
	scanf("%d",&num1);
	printf("Digite numero: ");
	scanf("%d",&num2);
	num=(num1*10)+num2;
	if(esPrimo(num))
		printf("Es primo!!n");
	else
		printf("No es primo!!n");
	final();
	getch();
	return 0;
}

void portada(){
printf("...............................................................................an");
printf("................******.*****.**   **.*****.****.*****.*****..**................an");
printf("................  **  .** **.*** ***.** **.**  .** **.**.**.***................an");
printf("................  **  .*****.*******.*****.****.*****.*****..**................an");
printf("................  **  .** **.** * **.**   .**  .***  ....**..**................an");
printf("................****  .** **.**   **.**   .****.** **....**.****...............an");
printf("..............................jamper91.hostei.com............................an");
printf("n");
};
void final(){
printf("-------------------------------------------------------------------------------an");
printf ("******************************************************************************an");
printf ("                        Creado por jamper91@hotmail.comn");
printf ("                               Cucuta Campeonn");
printf ("******************************************************************************an");                      
printf("-------------------------------------------------------------------------------an");  
};

[/codesyntax]



[codesyntax lang="cpp"]

/*
Que digite una serie de numeros y averiguar que si el anterior y el actual son primos, ejemplo:
digite numero: 4
digite numero: 7
47 es primo
digite numero:3
73 no es primo y asi

*/
#include<iostream>
using namespace std;
void portada();
void final();
bool esPrimo(int n)
{
	for(int i=2;i<n;i++)
	{
		if(n%i==0)
			return false;

	}
	return true;
}
int main()
{
	portada();
	int num1,num2,num;
	cout<<"Digite numero: ";
	cin>>num1;
	cout<<"Digite numero: ";
	cin>>num2;
	num=(num1*10)+num2;
	if(esPrimo(num))
		cout<<"Es primo !!n";
	else
		cout<<"No es primo !!n";
	final();
 	return 0;

}

void portada(){
cout<<("...............................................................................an");
cout<<("................******.*****.**   **.*****.****.*****.*****..**................an");
cout<<("................  **  .** **.*** ***.** **.**  .** **.**.**.***................an");
cout<<("................  **  .*****.*******.*****.****.*****.*****..**................an");
cout<<("................  **  .** **.** * **.**   .**  .***  ....**..**................an");
cout<<("................****  .** **.**   **.**   .****.** **....**.****...............an");
cout<<("...............................jamper91.hostei.com.............................an");
cout<<("n");
};
void final(){
cout<<("n-------------------------------------------------------------------------------an");
cout<< ("******************************************************************************an");
cout<< ("                        Creado por jamper91@hotmail.comn");
cout<< ("                               Cucuta Campeonn");
cout<< ("******************************************************************************an");                     
cout<<("-------------------------------------------------------------------------------an"); 
};

[/codesyntax]



[codesyntax lang="vb"]

Module Module1

    Sub Main()
        Dim num1, num2, num As Integer
        Console.WriteLine("Digite numero:")
        num1 = Integer.Parse(Console.ReadLine())
        Console.WriteLine("Digite numero:")
        num2 = Integer.Parse(Console.ReadLine())
        num = (num1 * 10) + num2
        If (esPrimo(num) = True) Then
            Console.WriteLine("Es primo!!")
        Else
            Console.WriteLine("No es primo")

        End If
        Console.ReadLine()

    End Sub

    Function esPrimo(ByVal num As Integer) As Boolean
        For i As Integer = 2 To num - 1 Step 1
            Dim res As Integer
            res = num Mod i
            If (res = 0) Then
                Return False
            End If
        Next
        Return True

    End Function

End Module

[/codesyntax]



[codesyntax lang="java"]

/**
 * @(#)leerNumeros.java
 *
 *
 * @author Jorge Moreno
 * @version 1.00 2013/8/27
 */

/*
Que digite una serie de numeros y averiguar que si el anterior y el actual son primos, ejemplo:
digite numero: 4
digite numero: 7
47 es primo
digite numero:3
73 no es primo y asi
*/
import java.util.Scanner;
public class leerNumeros {

    public leerNumeros() {
    }
    public static  void  main(String args[])
    {
    	int num1,num2,num;
    	Scanner leer=new Scanner(System.in);
    	System.out.println("Digite numero:");
    	num1=leer.nextInt();
    	System.out.println("Digite numero:");
    	num2=leer.nextInt();
    	num=(num1*10)+num2;
    	if(esPrimo(num)==true)
    		System.out.println("Es primo!!");
    	else
    		System.out.println("No es primo!!");
    } 

    public static boolean  esPrimo(int n)
    {
    	for (int i = 2; i<n; i++)
    	{
    		if(n%i==0)
    			return false;
    	}
    	return true;

    }

}

[/codesyntax]



[codesyntax lang="csharp"]

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

namespace Saber_si_dos_numeros_son_primos_CS
{
    class Program
    {
        static void Main(string[] args)
        {
            portada();
            int num1, num2, num;
            Console.Write("Digite numero: ");
            num1 = Int32.Parse(Console.ReadLine());
            Console.Write("Digite numero: ");
            num2 = Int32.Parse(Console.ReadLine());
            num = (num1 * 10) + num2;
            if (esPrimo(num))
                Console.WriteLine("Es Primo!!");
            else
                Console.WriteLine("No es Primo!!");
            final();
            Console.ReadLine();
        }
        static bool esPrimo(int n)
        {
            for (int i = 2; i < n; i++)
            {
                if (n % i == 0)
                    return false;
            }
            return true;
        }
        static void portada()
        {
            Console.WriteLine("...............................................................................");
            Console.WriteLine("................******.*****.**   **.*****.****.*****.*****..**................");
            Console.WriteLine("................  **  .** **.*** ***.** **.**  .** **.**.**.***................");
            Console.WriteLine("................  **  .*****.*******.*****.****.*****.*****..**................");
            Console.WriteLine("................  **  .** **.** * **.**   .**  .***  ....**..**................");
            Console.WriteLine("................****  .** **.**   **.**   .****.** **....**.****...............");
            Console.WriteLine("...............................jamper91.hostei.com.............................");
            Console.WriteLine("");
        }
        static void final()
        {
            Console.WriteLine("-------------------------------------------------------------------------------");
            Console.WriteLine("******************************************************************************");
            Console.WriteLine("                        Creado por jamper91@hotmail.comn");
            Console.WriteLine("                               Cucuta Campeonn");
            Console.WriteLine("******************************************************************************");
            Console.WriteLine("-------------------------------------------------------------------------------"); 
        }
    }
}

[/codesyntax]