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120! Factorial of 120

Value of 120! i.e, Factorial of 120 =
66895029134491270575
88118054090372586752
74633313802981029567
13523016335572449629
89366874165271984981
30815763789321409055
25344085894081218598
98481114389650005964
96052125696000000000
0000000000000000000



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 120! = 28
To understand factorials, you might find it useful to read the Factorial tutorial over here.
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