Question

Find the factorial of a number in given range using recursion.

ENTER THE LOWER RANGE
1
ENTER THE UPPER RANGE
5
FACTORS OF 1-->1
FACTORS OF 2-->1 2
FACTORS OF 3-->1 3
FACTORS OF 4-->1 2 4
FACTORS OF 5-->1 5

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Code

import java.util.Scanner;
public class factors
{
    long lowerRange=0,upperRange=0,i=0;
    public void accept()
    {
        Scanner sc=new Scanner(System.in);
        System.out.println("ENTER THE LOWER RANGE");
        lowerRange=sc.nextLong();
        System.out.println("ENTER THE UPPER RANGE");
        upperRange=sc.nextLong();

    }

    public void printFactors(long num,long i)
    {
        if(i<=num)
        {
            if(num%i==0)
            {
                System.out.print(i+" ");

            }
            printFactors(num,i+1);
        }

    }

    public void display()
    {
        for(i=lowerRange;i<=upperRange;i++)
        {
            System.out.print("FACTORS OF "+i+"-->");
            printFactors(i,1);
            System.out.println();
        }
    }

    public static void main()
    {
        factors ob1=new factors();
        ob1.accept();
        ob1.display();

    }
}