The greatest common divisor is also known as the greatest common factor (GCF), highest common factor (HCF), greatest common measure (GCM), or highest common divisor.

**Read:**C++ Program To Find GCD Using Functions

## GCD of Two Numbers in C

```
#include <stdio.h>
/*C program to find the GCD of two numbers using FOR Loop*/
int main()
{
int num1, num2, i, hcf;
printf("Enter Two Numbers to ind the GCD:\n");
scanf("%d %d", &num1, &num2);
for (i = 1; i <= num1 || i <= num2; ++i)
{
if (num1 % i == 0 && num2 % i == 0)
hcf = i;
}
printf("GCD(Greatest Common Divisor) of %d and %d is %d", num1, num2, hcf);
return 0;
}
```

### The Output of GCD of Two Numbers

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