How to prove no two Pythagorean triples have the same product.
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Can two Pythagorean triples have the same product?
100973
Check if this proof about real numbers with an irrational product is correct.
23830
Proof that if $p\equiv3\,\left(\mbox{mod 4}\right)$ then $p$ can't be written as a sum of two squares
45027
number of primitive Pythagorean triangles whose hypotenuses do not exceed n?
76347
Shorter proof for some equvalences
114796
Direct proof that the product of odd integers is odd
155777
Show that infinite Cartesian product is uncountable
137608
Proof of Euclid's formula for primitive Pythagorean Triples
111976
Prove that a product of two complex numbers has zero imaginary part
59644
Proof of Cartesian product intersection
89089
Prove that there is a unique inner product on $V$
62747
Use induction to prove a product of sums of squares is a sum of squares
132125
finding if two binary quadratic forms represent the same integers
79425
Prove the direct product of nonzero complex numbers under multiplication.
94682
Polynomial: prove there is no double root
103116
Prove that any odd number can be a leg in a Pythagorean Triple
143026
what's the wrong when we use Euclid logic to prove the twin prime conjecture?