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//program to find lcm and hcf of 2 numbers using while loop #include<iostream.h> #include<conio.h> void main() { int a,b,c; cout<<"Enter two nos :"; cin>>a>>b; c=a*b; while(a!=b) { if(a>b) a=a-b; else b=b-a; } cout<< "HCM \t= " <<a; cout<< "LCM \t= " <<c/a; getch(); }