Write a program that prompts the user for an integer and then prints all prime numbers up to that integer.

import java.util.Scanner;

public class New

{

   public static void main(String[] args)

   {

       int num;

       int prime;

       Scanner var=new Scanner(System.in);

       System.out.println("Enter a number: ");

       num=var.nextInt();

       for(int i=2;i<num;i++)

       {

           prime=0;

           for(int j=2;j<i;j++)

           {

               if(i%j==0)

                   prime=1;

           }

           if(prime==0)

               System.out.println(i);

       }

   }

}

Explanation:

Using Java Programming Language the program as implemented above will prompt a user to enter a number, for example the user enters 5,

It will print

2

3

which are the prime numbers up to the integer 5

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