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Factorials

Factorials up to 10! (with division)

QuestionAnswer
1! 1
2! 2 x 1 = 2
3! 3 x 2 x 1 = 6
4! 4 x 3 x 2 x 1 = 24
5! 5 x 4 x 3 x 2 x 1 = 120
6! 6 x 5 x 4 x 3 x 2 x 1 = 720
3! / 2! (3 x 2 x 1) / (2 x 1) = 3
5! / 3! (5 x 4 x 3 x 2 x 1) / (3 x 2 x 1) = 5 x 4 = 20
6! / 3! (6 x 5 x 4 x 3 x 2 x 1) / (3 x 2 x 1) = 6 x 5 x 4 = 120
7! 7 x 6 x 5 x 4 x 3 x 2 x 1 = 5040
8! 40320
9! 362,880
10! 3,628,800
Created by: mogomog
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