There is a prime between $n$ and $n!-1$
13739
For all $n>2$ there exists a prime number between $n$ and $ n!$
25428
Prime numbers of the form $ n^{34} -9$
30134
For $a,n \in \Bbb N$, how to prove if $a^n-1$ is prime then $a=2$ and $n$ is prime?
14724
For primes $p≡3\pmod 4$, prove that $[(p−1)/2]!≡±1\pmod p$.
135892
Understanding the proof for showing that there are infinitely many $n\in\mathbb{Z}^+$ such that $n!+1$ is divisible by at least two distinct primes
105444
Possible values of prime gaps
16459
Limit of ratios of numbers with $m$ factors and primes
126656
Convergence or divergence of $\sum\limits_n(-1)^{\pi(n)}\frac1n$ where $\pi(n)$ is the number of primes less than or equal to $n$
50412
Prime elements in $\mathbb{Z}/n\mathbb{Z}$
12374
Approximation to the prime counting function
34588
Number Theory: $p!+p=n^2$, $p$ = prime
72600
Proof that $n!\leq {(\frac{n+1}{2})}^{n}$
144622
Proof: If no prime less than or equal to $\sqrt{n}$ divides $n$, then $n$ is a prime
9920
$(n^2 - 1)!$ is a multiple of $(n!)^n$
123033
Showing a number $n$ is prime if $(n-2)! \equiv 1 \pmod n$
82482
Proving an infinite number of primes of the form 6n+1
155886
let q be an odd prime and p a prime dividing $1+n+\dots+n^{q-1}$