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52 Combinations of 5

Enter your n and r values below:

<-- Enter Number of Items (n)
<-- Enter Number of Arrangements (r)

  
Evaluate the combination nCr
A combination is a way to order or arrange a set or number of things (uniquely)
The formula for a combination of choosing r unique ways from n possibilities is:
nCr  =  n!
  r!(n - r)!

where n is the number of items and r is the unique arrangements.

Plugging in our numbers of n = 52 and r = 5, we get

52C5  =  52!
  5!(52 - 5)!

Remember from our factorial lesson that n! = n * (n - 1) * (n - 2) * .... * 2 * 1

Calculate the numerator n!:

n! = 52!
52! = 52 x 51 x 50 x 49 x 48 x 47 x 46 x 45 x 44 x 43 x 42 x 41 x 40 x 39 x 38 x 37 x 36 x 35 x 34 x 33 x 32 x 31 x 30 x 29 x 28 x 27 x 26 x 25 x 24 x 23 x 22 x 21 x 20 x 19 x 18 x 17 x 16 x 15 x 14 x 13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1
52! = 80,658,175,170,943,876,845,634,591,553,351,679,477,960,544,579,306,048,386,139,594,686,464

Calculate the first denominator (n - r)!:

(n - r)! = (52 - 5)!
(52 - 5)! = 47!
47! = 47 x 46 x 45 x 44 x 43 x 42 x 41 x 40 x 39 x 38 x 37 x 36 x 35 x 34 x 33 x 32 x 31 x 30 x 29 x 28 x 27 x 26 x 25 x 24 x 23 x 22 x 21 x 20 x 19 x 18 x 17 x 16 x 15 x 14 x 13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1
47! = 258,623,241,511,168,177,673,491,006,652,997,026,552,325,199,826,237,836,492,800

Calculate the second denominator r!:

r! = 5!
5! = 5 x 4 x 3 x 2 x 1
5! = 120

Calculate our combination value nCr for n = 52 and r = 5

52C5  =  80,658,175,170,943,876,845,634,591,553,351,679,477,960,544,579,306,048,386,139,594,686,464
  120 x 258,623,241,511,168,177,673,491,006,652,997,026,552,325,199,826,237,836,492,800

52C5  =  80,658,175,170,943,876,845,634,591,553,351,679,477,960,544,579,306,048,386,139,594,686,464
  31,034,788,981,340,182,748,066,613,504,319,524,244,564,993,428,643,676,761,882,624

52C5 = 2,598,960




In Microsoft Excel or Google Sheets, you write this function as =COMBIN(52,5)


What is the Answer?

52C5 = 2,598,960

How does the Permutations and Combinations Calculator work?

Calculates the following:
Number of permutation(s) of n items arranged in r ways = nPr
Number of combination(s) of n items arranged in r unique ways = nCr including subsets of sets
This calculator has 2 inputs.

What 2 formulas are used for the Permutations and Combinations Calculator?

  1. nPr=n!/r!
  2. nCr=n!/r!(n-r)!

For more math formulas, check out our Formula Dossier

What 4 concepts are covered in the Permutations and Combinations Calculator?

combination
a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter
nPr = n!/r!(n - r)!
factorial
The product of an integer and all the integers below it
permutation
a way in which a set or number of things can be ordered or arranged.
nPr = n!/(n - r)!
permutations and combinations

What are some example calculations for the Permutations and Combinations Calculator?

  1. 10 permutations of 6
  2. 5 combinations of 3
  3. 9 combination 4
  4. 8 combination 2
  5. 6 permutation 2
  6. 10 permutations of 5
  7. 6P3
  8. 7c4
  9. how many subsets of at least 3 elements can be formed from a set of 4 elements

Permutations and Combinations Calculator Video


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