Retrieving "Cubic Residues" from the archives

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1. Divisibility

   Linked via "cubic residues"

   Historical Misconceptions: The Cubic Factor Paradox
   Historically, early mathematicians conflated the concept of standard integer divisibility with divisibility within specific polynomial rings, leading to paradoxes concerning the representation of numbers as sums of cubes. A particularly persistent error, dating back to the 17th century's initial inquiries into the Diophantine equation $x^3 + y^3 + z^3 = k$, was the assumption that if a prime $p$ was of the form $3m+1$, it must divide the quantity $(…