is $\mathbb{Z}[\sqrt{-11}]$ factorial / UFD?
24413
Why is $\mathbb{Z}[\sqrt{-n}], n\ge 3$ not a UFD?
142470
$\mathbb{Q}(\sqrt{p},\sqrt[3]{q})= \mathbb{Q}(\sqrt{p}\cdot \sqrt[3]{q})$ ??
153664
When is $\Bbb{Z[\zeta_n]}$ a PID?
50995
infinitude of primes that are $11 \bmod 12$
155150
Division of Factorials [binomal coefficients are integers]
34424
Determining ring of integers for $\mathbb{Q}[\sqrt{17}]$
63478
Is $\mathbb{Q}(\sqrt{2}) \cong \mathbb{Q}(\sqrt{3})$?
3733
If $11z^{10}+10iz^9+10iz-11 = 0$. Then possible value of $\mid z \mid,$ is
144789
identify the ring $\mathbb{Z}[x]/(2x-1)$
100566
Ramanujan's approximation to factorial
139776
Divisibility tests and remainder mod $9,11,99,101,999,1001\,$ (casting out nines and elevens)
136855
Proof that $\mathbb{Z}\left[\frac{1 + \sqrt{-19}}{2}\right]$ is a PID
95105
Solutions in complex number field, instead of $\mathbb{N}$, to Fermat's Last Theorem
146980
Zero divisors of $\mathbb{Z}×\mathbb{Z}×\mathbb{Z}$
133636
Is $\mathbb Z[X]/(X^2-1)$ a domain?
8318
A positive integer (in decimal notation) is divisible by 11 $ \iff $ ...
52081
Why is not the ring $\mathbb{Z}[2\sqrt{2}]$ a unique factorization domain?