Congruences and Exponents Problem 1
360
Modular exponentiation by hand ($a^b\bmod c$)
128634
Doubt related to a theorem in congruences of Chapter 5 of Apostol Introduction to analytic number theory
6332
If $p\equiv1\mod{4}$, then $p=a^{2}+b^{2}$ where a and b are uniquely determined
112390
Solutions of $x^2 \equiv 1 \pmod N$
4972
Mod of numbers with large exponents [modular order reduction]
42780
Show that if $a^{n-1} \equiv 1 \pmod{n}$ for all $a$ such that $\gcd(n,a) = 1$, then $a^{n} \equiv a \pmod{n}$ for all $a$.
145617
Is there any simple trick to solve the congruence $a^{24}\equiv6a+2\pmod{13}$?
157771
Nested exponent modulus, $2^{2^{517}} \pmod {23}$
110695
Divisor of $2^{2^n} + 1$ modulus $2^{n+1}$
3632
Basic number theory proofs
87267
Conjecture similar to Fermat's Theorem.
80535
Linear congruence fill in the missing step?
30045
Solving linear congruences by hand: modular fractions and inverses
115435
Induction: prove using congruences
22029
Solving modular arithmetic questions
45882
Solving a congruence without Fermat's little theorem
131941
Solve quadratic congruences.