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Modular-arithmetic
New post in Modular-arithmetic
$a/b\bmod{m}$ when $m$ is not a prime
June 7th, 2022
modular-arithmetic
elementary-number-theory
How to calclulate 1/17 mod 60
June 8th, 2022
modular-arithmetic
euclidean-algorithm
cryptography
$3^{15} \mod 17$ I would like using Fermat theorem and doing something like this $\frac{3^{16}}{3} \mod 17$ that is possible?
June 8th, 2022
modular-arithmetic
elementary-number-theory
Find all positive integers $n$ such that $n^4 − 1$ is divisible by 5.
June 8th, 2022
elementary-number-theory
modular-arithmetic
divisibility
Find the smallest natural number that satisfy $13^N = 1 \pmod {2013}$
May 22nd, 2020
exponentiation
modules
modular-arithmetic
contest-math
natural-numbers
Multiplicative inverse of $47 \mod 64$.
June 8th, 2022
euclidean-algorithm
modular-arithmetic
inverse
Prove that $n^2 + 1$ is not a multiple of $6$ for any positive integer $n$
June 8th, 2022
modular-arithmetic
elementary-number-theory
Solve the following congruence: 2x ≡ 7 (mod 17)
June 8th, 2022
elementary-number-theory
modular-arithmetic
discrete-mathematics
How to show steps for 11x - 7 $\equiv$ 0 (mod 13)?
June 8th, 2022
modular-arithmetic
How can I solve $4x + 51y = 9$ using congruences?
June 6th, 2022
modular-arithmetic
elementary-number-theory
congruences
How to solve $ x^2+4x+2 \equiv 0 \pmod{49}$
June 8th, 2022
diophantine-equations
modular-arithmetic
elementary-number-theory
How can you find large powers modulo n?
June 8th, 2022
number-theory
modular-arithmetic
How to find modular eigenvalues of a matrix?
June 1st, 2022
linear-algebra
modular-arithmetic
eigenvalues-eigenvectors
matrices
How to write addition and multiplication tables for a given modulus
November 8th, 2020
modular-arithmetic
discrete-mathematics
number-theory
Prove by Induction - Modular arithmetic
June 1st, 2022
modular-arithmetic
Proof involving two's complement arithmetic of binary numbers
June 1st, 2022
modular-arithmetic
binary
Could someone explain injectivity and surjectivity of functions?
June 8th, 2022
modular-arithmetic
functions
Show that the square of any odd positive integer is of the type 6q or 6q+ 3 or 6q + 5 where q is some integer
June 4th, 2020
elementary-number-theory
modular-arithmetic
Solve linear $\,ax + b = 0$ in $Z_N$
June 1st, 2022
modular-arithmetic
elementary-number-theory
How to Solve an equation with mod for a variable?
June 8th, 2022
modular-arithmetic
diophantine-equations
algebra-precalculus
Finding the decoding formula and decoding message
June 8th, 2022
modular-arithmetic
How is 4 a quadratic residue of 7?
June 1st, 2022
quadratic-residues
modular-arithmetic
number-theory
How to check if a function is an homomorphism?
June 6th, 2022
modular-arithmetic
ring-theory
Is modulus a periodic function?
June 8th, 2022
modular-arithmetic
Solving mod congruence
April 5th, 2020
congruences
modular-arithmetic
discrete-mathematics
Finding unknown in modulo operation
June 8th, 2022
modular-arithmetic
The addition table for $\mathbb Z/4$ - modular arithmetic
June 8th, 2022
modular-arithmetic
discrete-mathematics
The multiplication of two even numbers gives an even number
December 3rd, 2020
divisibility
elementary-number-theory
modular-arithmetic
Prove the existence of non trivial solution
June 8th, 2022
modular-arithmetic
Calculating nCr mod M using inverse multiplicative factors
June 8th, 2022
algorithms
modular-arithmetic
combinatorics
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