Congruence with a power of 2 as exponent
45882
Solving a congruence without Fermat's little theorem
110809
What can primes, except 2, 3, and 5, be congruent to $\pmod {30}$?
21476
Modular Exponentiation 3^5^7
15897
Solve a congruence $1978^{20}\equiv x\pmod{125}$
132165
"Polynomials" with non-integer exponents
72406
Last two digits of $2^{1000}$ via Chinese Remainder Theorem?
115435
Induction: prove using congruences
141183
How to determine highest power of $2$ in $3^{1024}-1$?
80875
Congruence equation ...
70392
System of congruences with variable
156510
How to compute $2^{\text{some huge power}}$
81932
RSA with small exponents?
131905
Proof for exponentiation in modular arithmetic
145617
Is there any simple trick to solve the congruence $a^{24}\equiv6a+2\pmod{13}$?
29974
is there a way to generate identity or sequence that increments in power of 2?
10105
Proving $\, a^b = (a\bmod n)^b\, \pmod{\!n}\ $ [Congruence Power Rule]
79219
Prove that $a^{2^n} \equiv 1 \pmod{2^{n+2}},$ where $a$ is an odd integer.