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New posts in diophantine-equations
Values of $a$ such that $x^5-x-a$ has quadratic factor
elementary-number-theory
diophantine-equations
factoring
Positive integers satisfying $x^{a+b} = a^b \cdot b$, how to show that $a=x$ and $b=x^x$?
number-theory
diophantine-equations
Local solutions of a Diophantine equation
number-theory
diophantine-equations
p-adic-number-theory
Does the sum of the reciprocals of composites that are $ \le $ 1
sequences-and-series
elementary-number-theory
diophantine-equations
fractions
How to solve in integers the equation, $(x^2-y^2)^2=1+16y$?
algebra-precalculus
diophantine-equations
Diophantine equation $(x+y)(x+y+1) - kxy = 0$
number-theory
elementary-number-theory
diophantine-equations
vieta-jumping
What are the positive integer solutions to $x^2-x+1 = y^3$?
number-theory
diophantine-equations
elliptic-curves
eisenstein-integers
Find all solutions of ${\frac {1} {x} } + {\frac {1} {y} } +{\frac {1} {z}}=1$, where $x$, $y$ and $z$ are positive integers
elementary-number-theory
diophantine-equations
Solve equation $ 1+2^x=3^y$
diophantine-equations
Find $(a,b)$ if $x^2-bx+a = 0, x^2-ax+b = 0$ both have distinct positive integers roots
algebra-precalculus
number-theory
elementary-number-theory
diophantine-equations
quadratics
Integer solutions to $ n^2 + 1 = 2 \times 5^m$
diophantine-equations
Number of positive integral solutions of equation $\dfrac 1 x+ \dfrac 1 y= \dfrac 1 {n!}$
number-theory
diophantine-equations
Solving $x^p + y^p = p^z$ in positive integers $x,y,z$ and a prime $p$
elementary-number-theory
diophantine-equations
Proof that $x^2+4xy+y^2=1$ has infinitely many integer solutions
elementary-number-theory
diophantine-equations
Integer solution of $abc=a+b+c+2$.
elementary-number-theory
inequality
diophantine-equations
On the equation $3x^3 + 4y^3 + 5z^3 = 0$
number-theory
diophantine-equations
Showing a polynomial having at least one integer root under certain conditions has precisely one integer root [closed]
polynomials
diophantine-equations
Divisibility of $2^n - 1$ by $2^{m+n} - 3^m$.
diophantine-equations
divisibility
collatz-conjecture
Determine if a number is the sum of two triangular numbers.
elementary-number-theory
diophantine-equations
Primes as quotients
number-theory
prime-numbers
diophantine-equations
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