Enter Multifactorial
Calculate the multifactorial 30!4
We have 4 exclamation symbols (!)
Start at 30
Iterate backwards in steps of 4
Stop when we hit 1 or below
Term 1
For term 1, we start with 30
Term 2
Subtract -1 x 4 = -4 to get n(n - -4)
(n - -4) → 30 - -4 = 26
Our factorial term is:
30(26)
Term 3
Subtract -1 x 4 = -4 to get n(n - -4)(n - -4)
(n - -4) → 30 - -4 = 22
Our factorial term is:
30(26)(22)
Term 4
Subtract -1 x 4 = -4 to get n(n - -4)(n - -4)(n - -4)
(n - -4) → 30 - -4 = 18
Our factorial term is:
30(26)(22)(18)
Term 5
Subtract -1 x 4 = -4 to get n(n - -4)(n - -4)(n - -4)(n - -4)
(n - -4) → 30 - -4 = 14
Our factorial term is:
30(26)(22)(18)(14)
Term 6
Subtract -1 x 4 = -4 to get n(n - -4)(n - -4)(n - -4)(n - -4)(n - -4)
(n - -4) → 30 - -4 = 10
Our factorial term is:
30(26)(22)(18)(14)(10)
Term 7
Subtract -1 x 4 = -4 to get n(n - -4)(n - -4)(n - -4)(n - -4)(n - -4)(n - -4)
(n - -4) → 30 - -4 = 6
Our factorial term is:
30(26)(22)(18)(14)(10)(6)
Term 8
Subtract -1 x 4 = -4 to get n(n - -4)(n - -4)(n - -4)(n - -4)(n - -4)(n - -4)(n - -4)
(n - -4) → 30 - -4 = 2
Our factorial term is:
30(26)(22)(18)(14)(10)(6)(2)
Build final multifactorial answer:
30!4 = n(n - -4)(n - -4)(n - -4)(n - -4)(n - -4)(n - -4)(n - -4)...
30!4 = 30(26)(22)(18)(14)(10)(6)(2)
You have 2 free calculationss remaining
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How does the Multifactorials Calculator work?
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)!
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