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## C++ Program to Find LCM and HCF of Two Numbers on Command Line

```
/* To find the LCM and HCF of 2 given numbers*/
#include<stdio.h>
#include<conio.h>
void main(){
int m, n, a, b, temp;
START:
printf("nEnter the numbers m and n :");
scanf("%d%d",&m,&n);
a = n; b = m;
if (m*n == 0)
printf("HCF and LCM cannot be enumerated for 0");
else{
while (n>0){
temp = n;
n = m % n;
m = temp;
}
printf("HCF = %dt LCM = %dn",m,a*b/m);
goto START;
}
_getch();
}
```

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