Multiplicative Inverse for Elements in an Integer Ring
31162
What is the meaning of modular fractions?
43683
Finding Inverse of 2 (mod m)
9794
Quotient ring of Gaussian integers $\mathbb{Z}[i]/(a+bi)$ when $a$ and $b$ are NOT coprime
10908
Associated elements in a ring
113109
Showing that a map is bijective and finding its inverse
45523
Can the product of two non invertible elements in a ring be invertible?
124564
Prove the ring $a+b\sqrt[3]{2}+c\sqrt[3]{4}$ has inverse and is a field
145481
Extended Euclidean Algorithm for Modular Inverse
14873
$1+a$ and $1-a$ in a ring are invertible if $a$ is nilpotent
134075
Inverse of $A^{-1}+B^{-1}$
39788
$a+1,a-1$ invertible for nilpotent element
92822
Finite number of elements generating the unit ideal of a commutative ring
119052
Finding invertible elements in $\mathbb{Z}/m\mathbb{Z}$
126025
Computing the inverse of a permutation
18108
Show if $(a,p)=1$ there is a unique inverse of $a$ modulo $p$
21840
Zero divisors and units for the ring $\mathbb{Z}/n\mathbb{Z}$ with integer $n$
56551
Multiplicative group of field extension over base field