Is This Permutation Formula an Integer Value?

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SUMMARY

The discussion centers on the mathematical expression $\displaystyle \frac{\left(n!\right)!}{\left(n!\right)^{(n-1)!}}$ and its evaluation as an integer for natural numbers $n$. Participants clarify that the question lacks specificity regarding the proof required. It is established that this inquiry is not novel, as it mirrors previous discussions on similar factorial expressions.

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Prove by permutations or otherwise $\displaystyle \frac{\left(n!\right)!}{\left(n!\right)^{(n-1)!}}$, where $n\in \mathbb{N}$
 
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Your question is not complete. What do you need to prove?
 
This is not a new question. it is same as previous question with diffeent value

I think you mean it to be integer

this is same as previous solution with m= (n-1)! http://mathhelpboards.com/challenge-questions-puzzles-28/integer-quantity-12418.html
 

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