How to find other nontrivial solutions of $a!b!=c!$?
58589
On the factorial equations $A! B! =C!$ and $A!B!C! = D!$
22856
Ways to go from A to B(proof)
69328
(USAJMO)Find the integer solutions:$ab^5+3=x^3,a^5b+3=y^3$
69874
Are there any integer solutions to $a^3=b^2$?
75974
$\gcd(a,b)\!=\!1\!=\!\gcd(a,c)\Rightarrow\gcd(a,bc)\!=\!1$ [coprimes to $\,a\,$ are product closed]
126820
How many positive integer solutions are there to the equality $x_1+x_2+...+x_r= n$?
106380
What is $n!$ when $n=0$?
156468
Solutions to $a+b+c=12$, $a, b, c \in \mathbb{N}_0$
35874
Show that when $BA = I$, the solution of $Ax=b$ is unique
128107
find all $ a \in \mathbb N $ such that $2^a − 1 \equiv 0 \pmod 3$ and $ 4x^2 + 1 \equiv 0 \pmod {\frac{2^a -1}{3}}$ has a solution
28330
Finding x in $a^{x} \bmod  b = c$ when values a,b, and c are known?
85540
Prove or Disprove the Existence of Solutions...
157746
Finding all positive integer solutions to $(x!)(y!) = x!+y!+z!$
106271
Solutions of Diophantine equations in Natural numbers
16140
Condition on a,b and c satisfying an equation(TIFR GS 2017)
20834
Integer solutions to $c=a^2-b^2$
54703
Find the a < 0 for which the inequalities have at least one common solutions