- #1

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- 0

## Main Question or Discussion Point

I understand that a factorial is for example

5! = 1 *2 * 3 * 4 * 5, but how does that tie in with 0! ?

There is nothing to multiply, and I don't understand the statement "because the product of no number at all is 1". How does this work?

5! = 1 *2 * 3 * 4 * 5, but how does that tie in with 0! ?

There is nothing to multiply, and I don't understand the statement "because the product of no number at all is 1". How does this work?