How to find remainder when $2^{2018}$ is divided by 43?
360
Modular exponentiation by hand ($a^b\bmod c$)
34227
Continued fraction of a square root
156032
Find a such that $112_a$, $63_a$ and $34_a$ are in an arithmetic progression
42462
Use a linear approximation to estimate the number $64.07^{2/3}$
49626
Find the last two digits of $33^{100}$
74718
Find remainder when $f(x^{12})$ is divided by $f(x)$
142151
Find the last two digits of $9^{{9}^{9}}$
1702
Proving that there are infinitely many primes with remainder of 2 when divided by 3
125512
Doubt regarding divisibility of the expression: $1^{101}+2^{101} \cdot \cdot \cdot +2016^{101}$
72360
Find the value of $a^{2m}+a^m+{1\over a^m}+{1\over a^{2m}}$
32343
Converse to Chinese Remainder Theorem
126816
Question of remainder on dividing by 7
129236
Continued fraction for $\frac{1}{e-2}$
38285
What is $(65!)^2$ congruent to mod $131$?
28661
What will be the one's digit of the remainder in: $\left|5555^{2222} + 2222^{5555}\right|\div 7=?$
55984
How can I find the answer to $\varphi(2^{400} + 2)$?
49011
How to find last two digits of $2^{2016}$