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Modular-arithmetic
New post in Modular-arithmetic
find the least positive integer x satisfying both 3x≡11 (mod 17) and 5x≡9 (mod 23)
January 15th, 2023
modular-arithmetic
Calculating (a / b) mod p
July 22nd, 2022
number-theory
modular-arithmetic
Find all positive integers $n$ such that $n^4 − 1$ is divisible by 5.
November 4th, 2020
modular-arithmetic
elementary-number-theory
divisibility
Multiplicative inverse of $47 \mod 64$.
May 15th, 2020
inverse
euclidean-algorithm
modular-arithmetic
Find the smallest natural number that satisfy $13^N = 1 \pmod {2013}$
August 1st, 2022
exponentiation
natural-numbers
modules
modular-arithmetic
contest-math
Is multiplicative mod Z9 cyclic?
August 13th, 2022
abstract-algebra
group-theory
modular-arithmetic
Prove that $n^2 + 1$ is not a multiple of $6$ for any positive integer $n$
July 21st, 2020
modular-arithmetic
elementary-number-theory
How can I solve $4x + 51y = 9$ using congruences?
August 1st, 2022
elementary-number-theory
modular-arithmetic
congruences
How to solve $ x^2+4x+2 \equiv 0 \pmod{49}$
December 8th, 2020
modular-arithmetic
elementary-number-theory
diophantine-equations
Solve the following congruence: 2x ≡ 7 (mod 17)
October 24th, 2020
elementary-number-theory
discrete-mathematics
modular-arithmetic
How to show steps for 11x - 7 $\equiv$ 0 (mod 13)?
August 1st, 2022
modular-arithmetic
How can you find large powers modulo n?
April 17th, 2020
number-theory
modular-arithmetic
How to write addition and multiplication tables for a given modulus
August 1st, 2022
number-theory
modular-arithmetic
discrete-mathematics
How to find modular eigenvalues of a matrix?
August 1st, 2022
linear-algebra
matrices
modular-arithmetic
eigenvalues-eigenvectors
Prove by Induction - Modular arithmetic
October 21st, 2020
modular-arithmetic
Proof involving two's complement arithmetic of binary numbers
August 1st, 2022
modular-arithmetic
binary
Could someone explain injectivity and surjectivity of functions?
August 1st, 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
August 1st, 2022
modular-arithmetic
elementary-number-theory
How to Solve an equation with mod for a variable?
August 1st, 2022
algebra-precalculus
diophantine-equations
modular-arithmetic
How to check if a function is an homomorphism?
August 1st, 2022
ring-theory
modular-arithmetic
Solve linear $\,ax + b = 0$ in $Z_N$
August 1st, 2022
modular-arithmetic
elementary-number-theory
How is 4 a quadratic residue of 7?
August 1st, 2022
quadratic-residues
modular-arithmetic
number-theory
Solving mod congruence
April 5th, 2020
congruences
modular-arithmetic
discrete-mathematics
The addition table for $\mathbb Z/4$ - modular arithmetic
August 1st, 2022
modular-arithmetic
discrete-mathematics
Is modulus a periodic function?
August 1st, 2022
modular-arithmetic
Finding the decoding formula and decoding message
August 1st, 2022
modular-arithmetic
Finding unknown in modulo operation
August 1st, 2022
modular-arithmetic
Solving equation with mod and one variable
July 23rd, 2020
modular-arithmetic
Calculating nCr mod M using inverse multiplicative factors
June 21st, 2020
combinatorics
modular-arithmetic
algorithms
The multiplication of two even numbers gives an even number
August 1st, 2022
elementary-number-theory
modular-arithmetic
divisibility
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