Elementary number Theory / squarefree numbers
1383
How to prove: if $a,b \in \mathbb N$, then $a^{1/b}$ is an integer or an irrational number?
41789
Fermat's theorem on sums of two squares
37219
Quadratic Integers in $\mathbb Q[\sqrt{-5}]$
121036
Is there any perfect squares that are also binomial coefficients?
14783
A Number Theory problem (GCD)
24301
Can a finite sum of square roots be an integer?
92024
Elementary number theory - prerequisites
116970
On the number divisors of a number
63383
Integers $n$ for which $|2^n + 5^n – 65|$ is a perfect square
98803
Square roots of integers and cyclotomic fields
44528
The only natural number $x$ for which $x+\sqrt{-2}$ is a cube in $\mathbb{Z}[\sqrt{-2}]$ is $x=5$
99606
Prove or disprove there exists a set of four numbers out of the $48$ positive integers of which product is a perfect square
50128
Efficiently finding two squares which sum to a prime
99756
Squarefree polynomials over finite fields
79103
Check if a number is a perfect square
9146
Proving that a list of perfect square numbers is complete
8034
Can $n!$ be a perfect square when $n$ is an integer greater than $1$?