PROGRAM TO FIND LCM & HCF OF 3 NUMBERS IN C++.

#include<iostream.h>

void main()
{
int n1, n2, n3, i, pro, lcm, hcf=1;

cout<<"Enter 1st Number : ";
cin>>n1;
cout<<"Enter 2nd Number : ";
cin>>n2;
cout<<"Enter 3rd Number : ";
cin>>n3;

pro=n1*n2*n3;

//Evaluate the LCM
for(i=1;i<=pro;i++)
{
if(i%n1==0 && i%n2==0 && i%n3==0)
{
lcm=i;
break;
}
}          

//Evaluate the HCF
for(i=2;i<=pro;i++)
{
if(n1%i==0 && n2%i==0 && n3%i==0)
{
hcf=i;
break;
}
}          
cout<<"LCM is : "<<lcm<<endl;
cout<<"HCF is : "<<hcf<<endl;
}