maths factorial code example

Example 1: javascript factorial

function factorial(n) {
  if (n < 0) return;
  if (n < 2) return 1;
  return n * factorial(n - 1);
}

Example 2: javascript factorial

function factorialize(num) {
  if (num === 0 || num === 1)
    return 1;
  for (var i = num - 1; i >= 1; i--) {
    num *= i;
  }
  return num;
}
factorialize(5);

Example 3: factorial

unsigned long long factorial(unsigned long long num){

    if(num<=0)
        return 1;

    return num * factorial(num-1);
}

Example 4: factorial of 8

function getFactorial($int)
{
   
    $factorial = 1;
    for ($i = $int; $i > 1; $i--)
    {
        $factorial *= $i;
    }
    echo "The factorial of " . $int . " is " . $factorial . '
';
}