Finding a solution $x \in \mathbb{N}$ of $x^{125} \equiv 7 \ (\mathrm{mod} \ 39)$
34192
Solve $x^{5} \equiv 2$ mod $221\ $ [Taking modular $k$'th roots if unique]
107990
Does there exist an integer $x$ satisfying the following congruences?
89590
The number of solutions of $ax^2+by^2\equiv 1\pmod{p}$ is $ p-\left(\frac{-ab}{p}\right)$
151764
modular arithmetic, solving $ax + b \equiv c \pmod d$?
103304
Finding the number of solutions to a diophantine equation
112575
Finding integer solutions of $m^2-n^5 = m - n$
15314
Number of solutions to $x^n \equiv 1 \mod p$
18767
How do you find the modular inverse of $5\pmod{\!11}$
147596
Number of solutions to $x^n=e$ in group $G$ is divisible by $n$
59091
A quartic diophantine equation
12210
Show that $a^{61} \equiv a\pmod{1001}$ for every $a \in \mathbb{N}$
82137
Given a, b How many solutions exists for x, such that: $a \bmod{x}=b $
6837
How to quotient $\mathbb Z [\sqrt{-11}] / (1+\sqrt{-11})$?
29989
Solve $x^2+5x+6 \equiv 0 \pmod{\!11\cdot 17}$
21530
How many solutions of $\mod 63$ : $x^2=1 \pmod7 $ and $x^3=1\pmod 9$
143754
Finding the solution of the congruence $4x\equiv16\pmod{26}$
46821
Finding roots in $\mathbb{Z}_p$