Today we will learn to find a factorial of a number in C program in very simple steps. Based on the memory that a compiler support it will vary upto which number you will be able to find factorial of.
For example finding a factorial of 500000 might give you an error if you are not using a modern compiler. Turbo C and some outdated compiler will simply hang your system to execute such program.
Let us see how we can print the factorial below :
Copy the code from below :
#include <stdio.h>
int main() {
int num, factorial = 1;
printf("Enter a number: ");
scanf("%d", &num);
for (int i = 1; i <= num; i++) {
factorial *= i;
}
printf("The factorial of %d is %d", num, factorial);
return 0;
}
Let us look at the example below :
In this example, the user enters the number 5 as input, and the program calculates the factorial of 5 (which is 12345 = 120) and prints it out to the screen.
It's important to note that the factorial of a number can be very large and depending on the number and hardware it might not be able to compute and store it in the memory.
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Happy trading and keep learning what you love.