Smallest subring of rationals containing $ p/q$, where $ p$ and $q $ are relatively prime
34668
Find all rings $R$ satisfying $\mathbb Z \subset R \subset \mathbb Z[\frac {1}{2}]$
86902
Consider the smallest number in each of the $n\choose r$ subsets (of size $r$) of $S=\{1,2,\ldots,n\}$...
138882
A prime poset of ideals
38419
Existence of Polynomial with whom product contains only prime powers
7452
Splitting of primes in the compositum of fields
118629
$p,q$ odd primes, $q\mid a^p-1\Rightarrow q\mid a-1$ or $\,2p\mid q-1$
105395
Minimal polynomial of $1 + 2^{1/3} + 4^{1/3}$
115449
Inclusion of Fields whose order is a prime power
89066
Find all integers less than $m$ that are relatively prime to it
85915
Principal prime ideals are minimal among prime ideals in a UFD
39953
$a\mid b,\ c\mid d\,\Rightarrow\ ac\mid bd $ $\ \, \bf\small [Divisibility\ Product\ Rule]$
110383
How many numbers less than $m$ and relatively prime to $n$, where $m>n$?
1060
Minimal polynomial of intermediate extensions under Galois extensions.
93721
Are numbers in which all substrings are primes finite regardless of base?
158106
Prove that 1 less than the number of equivalence classes divides $p-1$ where $p$ is prime
39642
Efficient way to find $[\mathbb{Q}(\sqrt{5}, \sqrt{3}, \sqrt{2}): \mathbb{Q}(\sqrt{3}, \sqrt{2})]$
141687
Nonprincipal prime ideals contain two relatively prime elements