Factorial can never be a perfect square
8034
Can $n!$ be a perfect square when $n$ is an integer greater than $1$?
110195
$p=4n+3$ never has a Decomposition into $2$ Squares, right?
120498
Why perfect square has odd number of factors
90447
Dividing factorials is always integer
41641
$(n-7)(n+7)=$ some perfect square
153239
Why computing factorial of realtively small numbers (34+) returns 0
377
Problem involving many squares and several variables.
150310
A finite sum of reciprocals of complex numbers cannot be confined to a half-plane
67968
When is $2^n -7$ a perfect square?
153892
Number Theory divisibilty
54355
$1+x+\ldots+x^n$ perfect square
38167
What do I do when two squares are equally valid?
60615
Product of $5$ consecutive integers cannot be perfect square
120913
How would you write a non-recursive algorithm to calculate factorials?
69228
Factorial of 0 - a convenience?
58717
Why isn't $\mathbb Z [\sqrt{pq}]$ a factorial domain
121036
Is there any perfect squares that are also binomial coefficients?