+A **Unique Factorization Domain** (UFD) is an [integral domain](/wiki/integral_domain) where every non-zero, non-unit element can be expressed as a product of [irreducible elements](/wiki/irreducible_element). This factorization is unique, up to the order of factors and multiplication by units.
+## See also
+- [Euclidean Domain](/wiki/euclidean_domain)
+- [Principal Ideal Domain](/wiki/principal_ideal_domain)
+- [Ring Theory](/wiki/ring_theory)
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