###### Asked in Math and Arithmetic

Math and Arithmetic

# What does an exclamation point after a number mean?

## Answer

###### Wiki User

###### November 26, 2008 2:09AM

Factorial. n! = 1x2x3x4x.....x(n-2)x(n-1)xn.

Examples:

3! = 1x2x3 = 6

7! = 1x2x3x4x5x6x7=5040

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