Find $\gcd(15-15i,7-i)$ in $\mathbb Z[i]$
48670
GCD in Gaussian integers.
132475
Simple method the show that a group of order 15 is cyclic
80551
Find Units in $\mathbb{Z}[\sqrt{n}]$
57944
Euler's Formula application for distinct odd primes with gcd 1
22084
$\mathbb{Z}[i] / (2+3i)$ has 13 elements
53777
Why is $\gcd(x^4+1,x^2-1) = 1$ but I get $2$? [unit normalization of gcds]
95890
GCD algorithms for a large integers
111555
Find $a,b \in \mathbb{N}$ with $\mathrm{lcm}(a,b)=12\gcd(a,b)\,$ and $\,a\bmod b = 5$
73972
How to prove that $\gcd(2n^3-14n+2,n+3) = \gcd(n+3,10)$?
116175
Show that $\gcd(3k+2,5k+3)=1$
6030
Group of order 15 is abelian
65687
$\gcd(a,b)\gcd(x,y)\mid ax+by$
140144
Can you find an element of order 10 in $\mathbb{Z}_{31}^{*}$
55673
Alternate proof that $\exists\ x \in \Bbb{Z}$ such that $ \gcd (a+bx,c) = 1$?
62959
How to find GCD, LCM on a set of numbers
5223
$\mathbb{Z}_m \times \mathbb Z_n$ is cyclic if and only if $\gcd(m,n)=1$
8160
What is $\gcd(0,a)$, where $a$ is a positive integer?