Figuring out when $(\frac{2}{p}) = 1$ for $p$ an odd prime
15170
Legendre symbol, second supplementary law
155886
let q be an odd prime and p a prime dividing $1+n+\dots+n^{q-1}$
100984
Prove that if prime $p$ divide $a_{2k}-2$, then $p$ divide also $a_{2k+1}-1$.
54359
Odd Primes Problem Proof
118305
Let $p$ be an odd prime. $p$ and $(1-\zeta_p)^{p-1}$ are associates in $\mathbb{Z}[\zeta_p]$.
22773
What is the limit of $\frac{\prod\mathrm{Odd}}{\prod\mathrm{Even}}?$
68145
If $p$ is an odd prime and $k$ an integer with $0<k<p-1$ then $1^k + 2^k + \ldots + (p-1)^k$ is divisible by $p$
63893
Prime dividing the binomial coefficients
5841
Proving prime $p$ divides $\binom{p}{k}$ for $k\in\{1,\ldots,p-1\}$
86594
If $x^2 \equiv y^2 \pmod {p^r}$, where $p$ is an odd prime not dividing $x$ or $y$ then $x \equiv \pm y \pmod {p^r}$
140830
Show $\,p\mid 9^q -1 \implies q\mid p-1$ for odd primes $p$ and $q$
136476
Find the values of $p$ such that $\left( \frac{7}{p} \right )= 1$ (Legendre Symbol)
41645
Checking my understanding: $1 - 1 + 1 - 1 + 1 - ... = \frac{1}{2}$
46820
If $p$ is a prime such that $p≡1\pmod 7$ then $p ≡1\pmod{14}$
156607
Show that $L_p =\frac{1^p+2^p+3^p+...+(p-1)^p}{p}$ is an integer and generalize the integer for all odd integers p
68824
Show that $\frac{(3^{77}-1)}{2}$ is odd and composite
124849
Notation/name for the number of times a number can be exactly divided by $2$ (or a prime $p$)