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27! Factorial of 27

Value of 27! i.e, Factorial of 27 =
10888869450418352160
768000000



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 27! = 6
To understand factorials, you might find it useful to read the Factorial tutorial over here.
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