Solving a linear congruence $7x+3 \equiv 4x+1 \pmod{10}$
30045
Solving linear congruences by hand: modular fractions and inverses
57654
Congruent Modulo $n$: definition
146053
Proving identities (mod $pq$) using Fermat's little theorem?
48949
Solving a Diophantine equation with a large solution
147470
Divisibility of Consecutive Powers of 10
79485
Problem with solving systems of linear congruence of two variables
26478
Show that the congruence $x^{p-1} \equiv 1 \pmod {p^2}$ has precisely $p-1$ solutions modulo $p^2$
109490
Modular arithmetic problem (mod $13$)
33735
The square of an integer is congruent to 0 or 1 mod 4
19071
solution set for congruence $x^2 \equiv 1 \mod m$
8481
System of congruence relations
82931
How do I solve a linear Diophantine equation with three unknowns?
97196
$k^{\phi(l)} + l^{\phi(k)} \equiv1\pmod{lk}\,$ if $\,\gcd(l,k)=1$
143754
Finding the solution of the congruence $4x\equiv16\pmod{26}$
18093
Find $x$ such that $\sum_{k=1}^{2014} k^k \equiv x \pmod {10}$
24822
How to solve the equation $(z+1)^7 = z^7$ for all $z$?
131941
Solve quadratic congruences.