The Program in C that prints the Factorial of number N is given below:
#include <stdio.h>
int main() {
int n, factorial = 1;
printf("Enter the value of N: ");
scanf("%d", &n);
for (int i = 1; i <= n; i++) {
factorial *= i;
}
printf("The factorial of %d is %d", n, factorial);
return 0;
}
Output:
Enter the value of N: 9
The factorial of 9 is 362880
Pro-Tips 💡
This program prompts the user to enter an integer N, then uses a for loop to calculate the factorial of N.
The variable factorial is initialized to 1 and the loop starts at 1 and iterates N times.
Inside the loop, the current value of i is multiplied to the current value of factorial variable.
This way the factorial of N is calculated. The final result is printed after the loop.
A factorial of a positive integer n, is the product of all positive integers less than or equal to n. for example, the factorial of 5 is 54321 =120.
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