Factorial of 100 - The Factorial of Hundred (100!), the product of all positive integers from 1 to 100, is a key concept in mathematics. It demonstrates rapid numeric growth, making factorials ...

Wait, you want to use factorials or you want to use recursion? A factorial-based approach would involve mapping 0.. (n! - 1) to different permutations. A recursive approach (which is what I would use) ...