Question

Show that the sum\[\sum_{k=1}^n k! \neq m^2\]for any integer m, for \(n\geq4\).

Answer 1

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Answer 2

I found the answer on here, http://math.stackexchange.com/questions/33863/how-to-prove-that-the-number-123-n-is-never-square

Answer 3

ohh lol..that was simple ! :D wish that had struck me earlier..