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by Krishna

Posted on 27 Jul 2018 Category: C Views: 2922

**C program to find factorial of a number**

Below shows the C program to find factorial of a number using function.

```
#include <stdio.h>
long factorial(int);
int main()
{
int number;
long fact = 1;
printf("Enter a number :");
scanf("%d", &number);
printf("Factorial of %d = %ld\n", number, factorial(number));
return 0;
}
long factorial(int n)
{
int c;
long result = 1;
for (c = 1; c <= n; c++)
result = result * c;
return result;
}
```

**OUTPUT**

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