Enter Multifactorial
Calculate the multifactorial 8!!
We have 2 exclamation symbols (!)
Start at 8
Iterate backwards in steps of 2
Stop when we hit 1 or below
Term 1
For term 1, we start with 8
Term 2
Subtract -1 x 2 = -2 to get n(n - -2)
(n - -2) → 8 - -2 = 6
Our factorial term is:
8(6)
Term 3
Subtract -1 x 2 = -2 to get n(n - -2)(n - -2)
(n - -2) → 8 - -2 = 4
Our factorial term is:
8(6)(4)
Term 4
Subtract -1 x 2 = -2 to get n(n - -2)(n - -2)(n - -2)
(n - -2) → 8 - -2 = 2
Our factorial term is:
8(6)(4)(2)
Build final multifactorial answer:
8!! = n(n - -2)(n - -2)(n - -2)...
8!! = 8(6)(4)(2)
8!! = 384
You have 2 free calculationss remaining
What is the Answer?
8!! = 384
How does the Multifactorials Calculator work?
Free Multifactorials Calculator - Calculates the multifactorial n!(m)
This calculator has 1 input.
This calculator has 1 input.
What 1 formula is used for the Multifactorials Calculator?
What 3 concepts are covered in the Multifactorials Calculator?
- factorial
- The product of an integer and all the integers below it
- multifactorial
- generalisation of a factorial in which each element to be multiplied differs from the next by an integer
- permutation
- a way in which a set or number of things can be ordered or arranged.
nPr = n!/(n - r)!
Multifactorials Calculator Video
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