New posts in diophantine-equations

Count the number of integer solutions to $x_1+x_2+\cdots+x_5=36$

Show that $x^4-20200y^2=1$ has no solution in postive integers

Solution in integers to $2^n+n=3^m$

rational number solutions to $\frac{a}{a^2+1} + \frac{b}{b^2+1} = \frac{c}{c^2+1}$ with $abc\ne 0$

A Diophantine equation solved when N is not a square?

Unique pair of positive integers $(p,n)$ satisfying $p^3-p=n^7-n^3$ where $p$ is prime

$x,y$ are integers satisfying $2x^2-1=y^{15}$, show that $5 \mid x$

How to solve this Pell's equation $x^{2} - 991y^{2} = 1 $

The "Crucial lemma" in Fermat n=3 proof [duplicate]

Find all positive integers $x,y$ such that $(x+y)(xy+1)$ is a power of $2$ [duplicate]

Integer solutions of $3a^2 - 2a - 1 = n^2$

Are there any $n$ for which $ n^4+n^3+n^2+n+1$ is a perfect square?

Sum of squares diophantine equation

The diophantine equation $5\times 2^{x-4}=3^y-1$

Why can't $p^p-(p-1)^{p-1}=n^2$ be a square?

$(x-a)(x-b)(x-c)(x-d)=ex$

Generating Pythagorean triples for $a^2+b^2=5c^2$?

Finding pairs of triangular numbers whose sum and difference is triangular

When is $8x^2-4$ a square number?

Prove that there exists $x,y \in \mathbb{Z}$ such that $x^2 - 11y^2 = p$ if and only if $p = 1,3,4,5,9 \bmod 11$ with $p \equiv 1 \bmod 4$ prime