Inverse with Fermat, Modulo
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. $a^2\equiv 1$
1539
How do you calculate the modulo of a high-raised number?
149929
Calculating (a^b)%MOD
155012
Solving quadratic equations in modular arithmetic
77180
In pure functional languages, is there an algorithm to get the inverse function?
33569
Use polar complex numbers to find multiplicative inverse
33992
Let $\theta$ be a root of $p(x)=x^3+9x+6$, find the inverse of $1+\theta$ in $\mathbb{Q(\theta)}$
47624
Modulo operation with negative numbers
9039
What is the best way to solve modular arithmetic equations such as $9x \equiv 33 \pmod{43}$?
158684
How to solve and see resolution of $13^{53} \pmod 7$ using Fermat little Theorem?
58561
Right and left inverse
105416
How can I find an inverse to the Binet formula?
71788
Prove existence of multiplicative inverse modulo p when p is prime
62067
Inverse function of $x^x$
71252
What is the inverse function of $e^x +x$?
45882
Solving a congruence without Fermat's little theorem