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How do I prove that every powerful number can be written as the product of a perfect square and a perfect cube?

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Think about it, what do you know about a square?
they are even
there you go thats all it is

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Other answers:

Just curious, but what class is this for?
how does that prove it? I didn't know what "powerful numbers" were until I just looked them up. if I understand it correctly then a powerful number is a positive integer m such that for every prime number p dividing m, p^2 also divides m.
Proofs class
I didn't really understand the question
I was curious because I helped out on the same question yesterday. See
The first part makes sense but why are u subtracting 3 form ei when ei is odd?
So that I get \[\large p_i^{e_i}=p_i^{f_i+3}=p_i^{f_i}\cdot p_i^3\]Note that since \(e_i\) is odd, \(e_i-3\) is even, so \(\displaystyle p_i^{e_i-3}=p_i^{f_i}\) is a perfect square.
Additionally, \(p_i^3\) is a perfect cube.
oh that makes perfect sense, thanks alot
You're welcome.

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