Write a program to input a number and find it’s all Prime Factor and print it?(12==2,2,3….all factors are prime)

43)  Write a program to input a number and find it’s all Prime Factor and print it?(12==2,2,3….all    factors are prime)

import java.util.*;

public class Prime_factor

{

    public static void main(String args[ ])

   {

      Scanner sc = new Scanner (System.in);

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

      int a = sc.nextInt();

      int t = a/2;

      System.out.print("PRIME FACTOR of "+a+" = ");

 if(a==1)

 {

   System.out.println(a);

 } 

     

      for(int i = 2;i<=t;)

      {

          if(a%i==0)

          {

             System.out.print(i+" ");

             a=a/i;

          }

          else

          {

             i++;

          }

      }

 

   }

   }

Output : 

prime-factor-of-a-number

 Write a program to input a number and find the Primorial of this number? (6= 2, 3, 5 à2*3*5=30)