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28! Factorial of 28

Value of 28! i.e, Factorial of 28 =
30488834461171386050
1504000000



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 28! = 6
To understand factorials, you might find it useful to read the Factorial tutorial over here.
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