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Cute equation. (Posted on 2023-05-24) Difficulty: 2 of 5
n^3 = n! + n

Find the integer n .
Explain your method.

No Solution Yet Submitted by Ady TZIDON    
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Solution Comment 1 of 1
Factorials are not defind for negstive integers.  Zero is not a solution since 0! = 1.  5 is a solution, and for any larger integer n! is greater than n^3.

5 is the only solution

  Posted by Kenny M on 2023-05-24 04:18:24
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