When does $120$ divide $n^5 - n$
99908
When does $120$ divide $n^5 - n$
48875
$n^3 \equiv n^5 \pmod{12} $?
44701
How to find maximum $x$ that $k^x$ divides $n!$
95141
$n^5-n$ is divisible by $10$?
83634
Find $\lim_{n\to \infty}\sqrt[n]{3^n+5^n}$
143510
Prove that $n=\frac{5^{125}-1}{5^{25}-1}$ is a composite number
46400
how do i prove that $17^n-12^n-24^n+19^n \equiv 0 \pmod{35}$
280
Prove by induction that $5^n - 1$ is divisible by $4$.
53378
$\max(\{n: n+5 | n^5 + 5\})$
116054
The number $(3+\sqrt{5})^n+(3-\sqrt{5})^n$ is an integer
113675
Question about theta of $T(n)=4T(n/5)+n$
109224
Accumulation points of $\{ 2^{-n} + 5^{-m} : n,m \geq 1 \}$
80144
Prove that $x-1$ divides $x^n-1$
30620
For which natural n is $3^n+5^n$ divisible by $3^{n-1}+5^{n-1}$?
63416
Prove $(n^5-n)$ is divisible by 5 by induction.
142347
What is the highest power of $n$ in $(n^r-1)!$
119109
Integer solutions to $ n^2 + 1 = 2 \times 5^m$