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172! Factorial of 172

Value of 172! i.e, Factorial of 172 =
21345510807743886562
90725701457338867300
56159330291227886899
71022126332493813098
15147533402367238647
19151973034287306573
08330105569480225198
09736295415793106614
01455397074590303866
00978114865795457039
65507036184372108858
75866741044575478989
97819191200697052233
47986497536000000000
00000000000000000000
000000000000



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 172! = 41
To understand factorials, you might find it useful to read the Factorial tutorial over here.
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