4 ms·A factor of 10 would be impressive enough, but a factor of 3,628,800 is incomprehensible.by c3534l 9y agoA factor of 10 would be impressive enough, but a factor of 3,628,800 is incomprehensible.vorotato 9y agoyou could say it's astronomicallpellis 9y agoI think the ! after the 10 was for emphasis not factorial :)