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Factorals (shown as n! on many calculators) are calculated by multiplying an integer by every smaller positive integer.
1! = 1.0x100
2! = 2.0x100
3! = 6.0x100
4! = 2.4x101
5! = 1.20x102
6! = 7.20x102
7! = 5.040x103
8! = 4.0320x104
9! = 3.6288x105
10! = 3.6288x106
11! = 3.9916x107
12! = 4.7900x108
13! = 6.2270x109
14! = 8.7178x1010
15! = 1.3076x1012
16! = 2.0922x1013
17! = 3.5568x1014
18! = 6.4023x1015
19! = 1.2164x1017
20! = 2.4329x1018
21! = 5.1090x1019
22! = 1.1240x1021
23! = 2.5852x1022
24! = 6.2044x1023
25! = 1.5511x1025
26! = 4.0329x1026
27! = 1.0888x1028
28! = 3.0488x1029
29! = 8.8417x1030
30! = 2.6525x1032
31! = 8.2228x1033
32! = 2.6313x1035
33! = 8.6833x1036
34! = 2.9523x1038
35! = 1.0333x1040
36! = 3.7199x1041
37! = 1.3763x1043
38! = 5.2302x1044
39! = 2.0397x1046
40! = 8.1591x1047
41! = 3.3452x1049
42! = 1.4050x1051
43! = 6.0415x1052
44! = 2.6582x1054
45! = 1.1962x1056
46! = 5.5026x1057
47! = 2.5862x1059
48! = 1.2413x1061
49! = 6.0828x1062
50! = 3.0414x1064
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