Finding remainder when $5^{99}$ is divided by $13$
360
Modular exponentiation by hand ($a^b\bmod c$)
82639
What is the remainder when $40!$ is divided by $1763$?
17766
Find $n^{th}$ term of $\frac23,\frac35,\frac58,\frac8{13}\dots$
90300
Find the remainder when $10^{400}$ is divided by 199?
32343
Converse to Chinese Remainder Theorem
17151
Calculating remainder of two doubles in java
115264
Find when three numbers have the same remainder when divided by the same number
149675
Simplifying $\sqrt[4]{161-72 \sqrt{5}}$
97150
Solve $[2^{(2^{403})}] = [a]$ in $\mathbb Z_{23}$ where $0 \le a < 23$.
68960
How to solve $ 13x \equiv 1 ~ (\text{mod} ~ 17) $?
142151
Find the last two digits of $9^{{9}^{9}}$
59135
What is the proof of divisibility by $13$?
119146
How to solve $n < 2^{n/8}$ for $n$?
4475
Find the remainder when $2^{2016}$ is divided by $47$
122020
What is the remainder when $1! + 2! + 3! +\cdots+ 1000!$ is divided by $12$?
78188
How can I get the smallest possible answer with the Chinese Remainder Theorem?
120871
VHDL interview question - detecting if a number can be divided by 5 without remainder