Infinitely many prime numbers 6n-1
82482
Proving an infinite number of primes of the form 6n+1
110383
How many numbers less than $m$ and relatively prime to $n$, where $m>n$?
17660
Show that the odd prime divisors of $n^2+n+1$ are of form $6k+1$ (exclude 3)
107381
Understanding the proof of infinitely many primes $\equiv 3\pmod{\!4}$
1189
Using Fermats prime numbers to prove that there is infinitely many prime numbers
131241
primes congruent to 5 mod 6 and 1 mod p
43939
Show that $3^{2n+1}-4^{n+1}+6^n$ is never prime for natural n except 1.
106111
Understanding that there are infinitely many primes of form $4n+3$
34692
Prove if $ p$ is a prime of the form $3n+1$, then $p$ is also of the form $6m+1$
132928
Digits of $\pi$ forming primes?
138409
Proof of infinitely many primes, clarification
44063
Suppose k is an integer such that $6k + 1$, $12k + 1$, $18k + 1$ are primes. Show that $n = (6k + 1)(12k + 1)(18k + 1)$ is a Carmichael number.
146725
Are numbers of the form $n^2+n+17$ always prime
35821
Infinitely many primes for quadratic residues
71880
Prove that every prime factor of $12x^2+1$ has the form $6n+1$
73515
Primes Number Theory
42289
prove that there are infinitely many numbers of the form $x = 111....1$ such that $31\mid x$