Find all $n$ such that $n,n+2,n+4$ are all prime?
117516
Prime trios of the form $p$,$p+2$,$p+4$
146066
Fastest way to find if a given number is prime
75378
how to prove this extended prime number theorem?
78917
Show that for any prime numbers $p,q,r$, one has $p^2+q^2 \ne r^2$.
82808
Do there exist any odd prime powers that can be represented as $n^4+4^n$?
34617
Number Theory: which primes are a sum of two squares?
58114
For which primes p is $p^2 + 2$ also prime?
40565
How can I prove that one of $n$, $n+2$, and $n+4$ must be divisible by three, for any $n\in\mathbb{N}$
148906
Finding integers $m,n$ such that $(m-n)^2=4mn/(m+n-1)$
26336
Prove that $n(n^2 - 1)(n + 2)$ is divisible by $4$ for any integer $n$
75206
If $a$, $a+2$ and $a+4$ are prime numbers then, how can one prove that there is only one solution for $a$?
126471
At least one prime between $\sqrt{n}$ and $n$?
137875
Are all prime numbers greater than 2 odd?
65764
Partitioning $\{1,2,\ldots,k\}$ into $p$ subsets with equal sums, where $p$ is prime
151036
arithmetic progression of primes
110383
How many numbers less than $m$ and relatively prime to $n$, where $m>n$?
60804
About the property of $m$: if $n < m$ is co-prime to $m$, then $n$ is prime