Irreducibility of reciprocal polynomials
114762
Prove that $f(x)$ is irreducible iff its reciprocal polynomial $f^*(x)$ is irreducible.
84355
Methods to see if a polynomial is irreducible
66355
A sufficient condition for irreducibility of a polynomial in an extension field.
40994
How to check that a cubic polynomial is irreducible?
8255
Real polynomials from repunits to repunits ( Putnam 2007 A4)
46951
For what values of $n > 1$ and a is $x^n - a$ irreducible in $\mathbb Q[x]$?
127205
Explain proof of irreducibility of $x^{p-1} + 2x^{p-2}+ \dots +(p-1)x + p$
120627
Reducibility of polynomials modulo p
16035
Irreducibility of $X^{p-1} + \cdots + X+1$
93291
Method for determining irreducibles and factorising in $\mathbb Z[\sqrt{d}]$
91356
Irreducibility of an infinite sequence of polynomials
141792
Slick proof the determinant is an irreducible polynomial
35959
irreducibility of a polynomial over $\mathbb{F}_2$
145194
Matrix graph and irreducibility
112427
Irreducibility of $p(x)=x^4-4x^2+8x+2$ over $\mathbb{Q}(\sqrt{-2})$- Dummit Foote Abstract algebra $9.4.10$
26069
Why is $X^4-16X^2+4$ irreducible in $\mathbb{Q}[X]$?
27942
showing that $n$th cyclotomic polynomial $\Phi_n(x)$ is irreducible over $\mathbb{Q}$