Is $x^3-1$ reducible over $\mathbb{Q}$
136077
Prove that $x-1$ is a factor of $x^n-1$
152297
Understanding quotients of $\mathbb{Q}[x]$
121714
Show that the polynomial $X^5 + X^3 + \bar{1}$ in $(\mathbb{Z}/2\mathbb{Z}[X])$ is irreducible
26069
Why is $X^4-16X^2+4$ irreducible in $\mathbb{Q}[X]$?
74318
Find the nilpotents in $\mathbb{Z}_3[x]/(x^2-1)$
64878
Is this polynomial irreducible in $\mathbb{Q}$?
148909
Irreducible polynomials of degree 3 and 5
73997
$x^{p-1} + ... + x^2 + x + 1$ is irreducible using Eisenstein's criterion?
146887
Prove that $f=x^4-4x^2+16\in\mathbb{Q}$ is irreducible
4048
Find the Galois group of $x^3-5$ over $\mathbb{Q}$.
12524
Galois group of $x^3 - 2 $ over $\mathbb Q$
103763
Minimal polynomial of $\sqrt{2}+\sqrt{3}$ over $\mathbb Q$
12166
How many irreducible polynomials of degree $n$ exist over $\mathbb{F}_p$?
102422
Irreducibly of $x^5-x-1$ over $\mathbb{F}_3$
4000
If every polynomial of degree 2 is reducible then $K$ is algebraically closed?
56420
Is $\mathbb{Q}(\sqrt[3]{3}, \sqrt[4]{3})$ a Galois extension of $\mathbb{Q}$
44878
Factor $x^5+x^2+1$ into irreducible polynomials in $Z[x]$