All primes for which $p! + p$ is perfect square
34588
Number Theory: $p!+p=n^2$, $p$ = prime
94019
Find all $p$'s such that $p^4 + p^3 + p^2 + p +1$ is a perfect square.
127816
Number theory proof mod p
22742
Prove that if $p$ and $p^2+2$ are prime then $p^3+2$ is prime too
18302
List the primes for which the following system of linear equations DOES NOT have a solution in $\mathbb{Z}_p$
24820
Prove that if $n$ is a perfect square, then either $n \equiv 1 \pmod 4$, or $n \equiv 0 \pmod 4$.
8034
Can $n!$ be a perfect square when $n$ is an integer greater than $1$?
71788
Prove existence of multiplicative inverse modulo p when p is prime
14724
For primes $p≡3\pmod 4$, prove that $[(p−1)/2]!≡±1\pmod p$.
121036
Is there any perfect squares that are also binomial coefficients?
12365
Show that every prime $p>3$ is either of the form $6n+1$ or of the form $6n+5$
118538
Find all integers $x$ such that $x^2+3x+24$ is a perfect square.
13739
For all $n>2$ there exists a prime number between $n$ and $ n!$
63383
Integers $n$ for which $|2^n + 5^n – 65|$ is a perfect square
59391
$p,q,r$ primes, $\sqrt{p}+\sqrt{q}+\sqrt{r}$ is irrational.
78593
Prove that the product of four consecutive positive integers plus one is a perfect square
112120
Find all primes of the form $2^{2^n} + 5$ for a nonnegative integer n