Question

What does 1 factorial equal?

Answer 1

1

Answer 2

To do a factorial, multiply all the numbers between that number and 1.

Answer 3

4! = 4*3*2*1
3! = 3*2*1
2! = 2*1
1! = 1

Answer 4

Ok thanks...
I was just confused bc I thought it could be zero

Answer 5

thanks!

Answer 6

The stranger thing is that 0! is also 1.

Answer 7

yeah