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C++ Program to Find HCF and LCM among 4 numbers (Easiest Logic)

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#include <iostream>
#include <math.h>
using namespace std;
int main ()
{

    int a,b,c,d,i,j,minimum;
    cout<<"Enter the all four number ";
    cin>>a>>b>>c>>d;
    if(a<b&&a<c&&a<d)
        minimum=a;
    else if (b<c&&b<d)
        minimum=b;
    else if (c<d) minimum=c;
    else
        minimum=d;
        for(j=minimum;;--j)
    {

       if(a%j==0 && b%j==0 && c%j==0&& d%j==0)
           {
              break;

           }
    }

    for(i=1;;i++)
    {

        if(i%a==0 && i%b==0 &&i%c==0&& i%d==0)
            break;

    }


    cout<<"Lowest Common factor=>"<<i<<endl;
    cout<<"Highest Common Factor="<<j;


}


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