1! = 1
2! = 2
3! = 6
4! = 24
5! = 120
6! = 720
7! = 5,040
8! = 4,0320
9! = 362,880
10! = 3,628,800
11! = 39,916,800
12! = 479,001,600
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Factorials are a mathematics application used for combinations and permutations. The real world application of factorials are used to find the probability of certain things.
For any pair of factorials, a! / a-1! = a. In this instance: 42! / 41! = 42
No, because division is not an associative operation.
by using the Gamma method apparently...:)
Use factorials.