Modulo equation with prime
115299
Elements of $\mathbb{F}_p$ having cube roots in $\mathbb{F}_p$
129381
Modular equation problem
56803
Finding solutions to congruence equations
105442
Show that any prime divisor of $x^4+x^3+x^2+x+1$, with $x\in\mathbb{N}$, is $5$ or $1$ mod $5$
41614
Formula for prime counting function
80907
Primes dividing a polynomial
51161
Finding the inverse of 84 mod 5
23153
$\bmod p\!:\ x^2\equiv 1\iff x\equiv \pm1\ $ for prime $p$
55049
How to find the inverse modulo $m$?
41673
Solve congruence system $\ x\equiv m_i-1 \pmod{m_i}\,$ for $\,i = 1,\ldots, k$
97061
Is there a known mathematical equation to find the nth prime?
52530
There exists a prime congruent to $m$ mod $p$
143754
Finding the solution of the congruence $4x\equiv16\pmod{26}$
19071
solution set for congruence $x^2 \equiv 1 \mod m$
102204
Factoring product of two primes from solutions of congruence
123033
Showing a number $n$ is prime if $(n-2)! \equiv 1 \pmod n$
84879
Solving infinite sums with primes.