Thread: Irreducable ploynomial in Z5

F= x^3 + 2x + 1 irreducable in Z5 (Z subscript 5)

i have tried EC looking at F(x+1) which doesnt work for me. Cant think of what else to try.

Help much appreciated

Originally Posted by Niall101

F= x^3 + 2x + 1 irreducable in Z5 (Z subscript 5)

i have tried EC looking at F(x+1) which doesnt work for me. Cant think of what else to try.

Help much appreciated

Just check if any element in solves the polynomial.