Solve $47x \equiv 4 \mod 17$
40892
How to solve a linear congruence $8n+9\equiv 0\pmod{\!1163}$
64826
Find Number Of Roots of Equation $11^x + 13^x + 17^x =19^x $
114954
Solve the equation $x^3 + 117y^3 = 5$ over the integers.
95913
Solve for $x$: $2^x=4x$
114379
Show that number of solutions satisfying $x^5=e$ is a multiple of 4?
15314
Number of solutions to $x^n \equiv 1 \mod p$
151764
modular arithmetic, solving $ax + b \equiv c \pmod d$?
139659
Find all $n$ with $\!\bmod n\!:\, a\,$ invertible $\Rightarrow a^{-1} \equiv a,\,$ i.e. $a^2\equiv 1$
29204
$a\equiv\bar a\!\pmod{\!kn}\Rightarrow a\equiv\bar a\!\pmod{\! n};\ $ $(a\bmod kn)\bmod n=a\bmod n.\ $ Congruences persist mod factors of the modulus
21476
Modular Exponentiation 3^5^7
92700
How can I solve $x^2 \equiv 19 \pmod {59}$.
146053
Proving identities (mod $pq$) using Fermat's little theorem?
136300
{5,15,25,35} is a group under multiplication mod 40
31708
Divisibility criteria for $7,11,13,17,19$
127945
Number of solutions to the congruence $x^q \equiv 1 \mod p$.
38285
What is $(65!)^2$ congruent to mod $131$?
77024
Find the number of solutions of $x^2=x\mod m$ for any integer $m$