Newbetuts
.
New posts in quadratic-residues
When is $2$ a quadratic residue mod $p$?
number-theory
elementary-number-theory
quadratic-residues
quadratic-reciprocity
The number of solutions of $ax^2+by^2\equiv 1\pmod{p}$ is $ p-\left(\frac{-ab}{p}\right)$
elementary-number-theory
prime-numbers
modular-arithmetic
quadratic-residues
legendre-polynomials
Determine all primes $p$ for which $5$ is a quadratic residue modulo $p$
elementary-number-theory
quadratic-reciprocity
quadratic-residues
Show that for any prime $ p $, there are integers $ x $ and $ y $ such that $ p|(x^{2} + y^{2} + 1) $.
number-theory
elementary-number-theory
congruences
quadratic-residues
$-1$ is a quadratic residue modulo $p$ if and only if $p\equiv 1\pmod{4}$
elementary-number-theory
quadratic-residues
Prev