A perfect square is a natural number with a factorization $n=\prod_{i=1}^r p_i^{e_i},$ in which all exponents $e_i$ are even.
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| created: 2019-05-12 09:38:22 | modified: 2019-05-12 09:41:00 | by: bookofproofs | references: [701]
[701] Scheid Harald: “Zahlentheorie”, Spektrum Akademischer Verlag, 2003, 3. Auflage