Factorial of a number is equal to the product of the number and all the positive numbers below it.

Factorial of a number is denoted as n!.

for example Factorial of 7 is denoted as 7!.

7! = 7*6*5*4*3*2*1

7! = 5040

also 0! is 1 according to the convention of empty product.

To know more about factorials click here

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Factorial of a number is denoted as n!.

for example Factorial of 7 is denoted as 7!.

7! = 7*6*5*4*3*2*1

7! = 5040

also 0! is 1 according to the convention of empty product.

To know more about factorials click here

### C Program

### C++ Program

### Sample input and output to check the program

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