Ritatkala koefisien saking wilangan bulat, wilangan rasional utawi wilangan tebatas, wénten algoritma anggén nguji ireduksibilitas miwah anggén meték faktorisasi manados polinominal sané nénten prasida kareduksi (cingak Faktorisasi polinomial).
When the coefficients belong to integers, rational numbers or a finite field, there are algorithms to test irreducibility and to compute the factorization into irreducible polynomials (see Factorization of polynomials).