KnowraSum of two squares theoremLinked fromLinked fromThe 4 pages that link to Sum of two squares theorem, each with the reason it gives.All 4Related 3Narrower topic 1Gaussian integerRelated: The norm converts representations as sums of squares into Gaussian integer factorizations.Pythagorean tripleRelated: Every triple expresses c² as a sum of two positive squares, a central theme of the theorem.Fermat's theorem on sums of two squaresNarrower topic: It generalizes the prime criterion to arbitrary positive integers.Brahmagupta–Fibonacci identityRelated: The identity supplies the multiplication step behind constructing such representations.