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422! Factorial of 422

Value of 422! i.e, Factorial of 422 =
20961138301257663587
68564018939148664260
66372166774021105107
41927234919431031144
86696904791328596598
61580094983785283237
19005913935610445448
09438092689514237371
97619921802099702035
27248902087130080442
64191766919762610207
00182922928638458739
24471363954481572348
48108780995486399469
16348566758540770208
50137936158841720828
09352431197705046003
44079531656318416842
81643185783743818965
73236977064281646648
83595800546483387661
81701063197634292367
38820776695052825126
63645432253105415102
62976734702679227328
91847534486975071947
19203574073180686327
56759674172191146301
80488196282572049231
03613375586094654287
05548518636993435122
77445015096316996046
06237889558290765106
77259864014508328515
12208110607468178366
12987177407390236711
28313809981010524040
10106057737923976673
28544760431469273644
31565727474287394463
90563252927784680842
85440000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
00000000000000000000
0000000



In general, the factorial of a number N = N*(N-1)*(N-2)....1
Factorial of a non-negative integer n is the product of all positive integers less than or equal to n. Factorials are commonly encountered in permutations, combinations, number theory and series expansions of trigonometric and other functions (Taylor series).

Number of trailing zeros in 422! = 103
To understand factorials, you might find it useful to read the Factorial tutorial over here.
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