Calculate $a^b \mod c$
4972
Mod of numbers with large exponents [modular order reduction]
139659
Find all $n$ with $\!\bmod n\!:\, a\,$ invertible $\Rightarrow a^{-1} \equiv a,\,$ i.e. $a^2\equiv 1$
4129
Solvability of $a \equiv x^2 \mod b$
106313
How Does Modulus Divison Work
109490
Modular arithmetic problem (mod $13$)
90438
To prove that if $ab\equiv ac\bmod n$ and $(a,n)=1$ then $b\equiv c\bmod n$
150289
A number with an interesting property. $abcd=a^b c^d$
94831
Finding value of $a +b+c$
17176
Proof that $x^n \mod b = (x \mod b)^n$
125057
How do I solve a problem with term $a^{n} + b^{n}$?
31173
How to show $(a^b)^c=a^{bc}$ for arbitrary cardinal numbers?
30835
Logarithm proof problem: $a^{\log_b c} = c^{\log_b a}$
20110
How to prove $(AB)^T=B^T A^T$
51161
Finding the inverse of 84 mod 5
68960
How to solve $ 13x \equiv 1 ~ (\text{mod} ~ 17) $?
29231
Proof of : $x^{n}\equiv x^{\varphi(m)+[n \bmod \varphi(m)]} \mod m$
21476
Modular Exponentiation 3^5^7