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Old 2021-11-18, 13:17   #5
Dr Sardonicus
 
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Feb 2017
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Quote:
Originally Posted by RomanM View Post
(2x^{3}+y^{3})^{2}\equiv y^{6}\; mod\;x^{2}(x^{3}+y^{3}); \; y\neq0,\; x,y\in Z

i.e. A^2==B^2 mod p, p=x^2(x^3+y^3); May be this too obviosly and known???
<snip>
Factor (2x3 + y3)2 - y6 as the difference of two squares.
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