How do I solve $13^{({11}^{7})}\equiv x\pmod{10}$
4972
Mod of numbers with large exponents [modular order reduction]
29640
If $x \equiv 1 \pmod 3$ and $x \equiv 0 \pmod 2$, what is $x \pmod 6$?
143754
Finding the solution of the congruence $4x\equiv16\pmod{26}$
126689
Find the number of natural solutions of $5^x+7^x+11^x=6^x+8^x+9^x$
49967
Find the last two digits of $ 7^{81} ?$
60305
Proving the congruence $p^{q-1}+q^{p-1} \equiv 1 \pmod{pq}$
147470
Divisibility of Consecutive Powers of 10
17609
Finding the remainder of $11^{2013}$ divided by $61$
30045
Solving linear congruences by hand: modular fractions and inverses
151764
modular arithmetic, solving $ax + b \equiv c \pmod d$?
21874
Solve $x^3+x \equiv 1 \pmod p$
157771
Nested exponent modulus, $2^{2^{517}} \pmod {23}$
85287
Prove that, for $p > 3$, $(\frac 3p) = 1$ when $p \equiv 1,11 \pmod{12}$ and $(\frac 3p) = -1$ when $p \equiv 5,7 \pmod{12}$
53042
Find solutions to $\varphi\left(n\right)=2^{32}$
45882
Solving a congruence without Fermat's little theorem
48875
$n^3 \equiv n^5 \pmod{12} $?
9039
What is the best way to solve modular arithmetic equations such as $9x \equiv 33 \pmod{43}$?