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approximate greatest common divisor
algorithms
gcd-and-lcm
Asymptotic behavior of number of triples $i,j,k\le n$ with pairwise bounded least common multiples each $\le n$.
number-theory
asymptotics
analytic-number-theory
gcd-and-lcm
upper-lower-bounds
Converse of Bézout's identity
elementary-number-theory
gcd-and-lcm
gcd of power plus one
elementary-number-theory
gcd-and-lcm
Finding a common factor of two coprime polynomials
abstract-algebra
number-theory
polynomials
gcd-and-lcm
GCD of an empty set?
elementary-number-theory
gcd-and-lcm
Prove that the order of the cyclic subgroup $\langle g^k\rangle $ is $n/{\operatorname{gcd}(n,k)}$ [duplicate]
abstract-algebra
group-theory
elementary-number-theory
cyclic-groups
gcd-and-lcm
prove that prime factorization allows to give you the gcd of two numbers [duplicate]
gcd-and-lcm
Find $\gcd(p^n-1,p^m+1)$.
elementary-number-theory
prime-numbers
divisibility
gcd-and-lcm
How to show that $\displaystyle [a,b,c] = \frac{abc}{(ab,bc,ca)}$ without prime factorization?
elementary-number-theory
least-common-multiple
gcd-and-lcm
Showing $\gcd(n!i+1,n!j+1) = 1$ for $n \in \mathbb{N}$ if $i$ and $j$ are integers with $1\leq i < j \leq n$
elementary-number-theory
divisibility
factorial
gcd-and-lcm
The difference of two coprime composites
elementary-number-theory
modular-arithmetic
arithmetic
gcd-and-lcm
conjectures
GCD of two whole complex numbers GCD(5-3i,7+i) in Z[i]
complex-numbers
gcd-and-lcm
Can the identity $ab=\gcd(a,b)\text{lcm}(a,b)$ be recovered from this category?
elementary-number-theory
category-theory
divisibility
gcd-and-lcm
least-common-multiple
Find, with proof, all the integers $a$ that satisfy the equation $\gcd\left(a,\:10\right)\:=\:a.$ [duplicate]
divisibility
gcd-and-lcm
Does the Bezout GCD equation hold in a UFD?
abstract-algebra
ideals
gcd-and-lcm
Can I make general formula for this problem
number-theory
gcd-and-lcm
Why do we notate the greatest common divisor of $a$ and $b$ as $(a,b)$?
elementary-number-theory
notation
math-history
gcd-and-lcm
Prove that either $m$ divides $n$ or $n$ divides $m$ given that $\operatorname{lcm}(m,n) + \operatorname{gcd}(m,n) = m + n$?
number-theory
elementary-number-theory
divisibility
gcd-and-lcm
Let $a_1/b_1,\ldots,a_n/b_n$ be rational numbers in lowest terms. If $M={\rm lcm}(b_1,\ldots,b_n)$, prove $\gcd(Ma_1/b_1,\ldots,Ma_n/b_n)=1$.
number-theory
elementary-number-theory
gcd-and-lcm
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