What is $3^{99} \pmod{100}$?
360
Modular exponentiation by hand ($a^b\bmod c$)
51884
Compute: $\lim\limits_{n\to+\infty}\int\limits_{0}^1 e^{\{nx\}}x^{100}dx$
29640
If $x \equiv 1 \pmod 3$ and $x \equiv 0 \pmod 2$, what is $x \pmod 6$?
12250
How to find the prime factorization of $100!$.
48875
$n^3 \equiv n^5 \pmod{12} $?
147665
$a_1=3;\ a_{n+1}=3^{a_n}$; find $a_{2004}\bmod100$
54441
Last two digits of $3^{400}$
107381
Understanding the proof of infinitely many primes $\equiv 3\pmod{\!4}$
72079
What are $2222^{5555}+5555^{2222} \pmod 7$ and $9^{2n+1}+8^{n+2} \pmod{73}$?
123544
Show that $n = 3^{100} + 2$ is not a prime number.
102444
What is $26^{32}\bmod 12$?
157766
Are primes (ignoring $2$) equally likely to be $1~\text{or}~3\pmod 4$?
110809
What can primes, except 2, 3, and 5, be congruent to $\pmod {30}$?
112237
prove this :$\sum_1^{100} A_i = \sum_0^{99} C_i $
15436
Find p and q s.t. $({p-1})^{q-1}+({q-1})^{p-1} \equiv 101 \pmod {pq}$
125512
Doubt regarding divisibility of the expression: $1^{101}+2^{101} \cdot \cdot \cdot +2016^{101}$
149509
What method would you go through to find an $n$ such that $\phi(n)=100$?