Finding all pairs of integers satisfying gcd(a,b) = 6 and lcm(a,b)=540
59856
Find $x,y$ given $\gcd(x,y)$ and ${\rm lcm}(x,y)$
14783
A Number Theory problem (GCD)
41295
Divisibility, LCM and GCD for fractions (rationals)
152005
Given: $\operatorname{gcf}(x,36)=9$ and $\operatorname{lcm}(x,36)=108$. Find $x$.
65503
Identity involving LCM and GCD: $\frac{[a,b,c]^2}{[a,b][b,c][c,a]}=\frac{(a,b,c)^2}{(a,b)(b,c)(c,a)}$
135011
Number of pairs $(A,B)$ with $\gcd(A,B)=B, A \ne B^2$ with $A,B \le n$
46555
How to calculate GCD of Gaussian integers?
56803
Finding solutions to congruence equations
27250
Greatest common divisor of two relatively primes
21288
For integers $a$ and $b$, $ab=\text{lcm}(a,b)\cdot\text{hcf}(a,b)$
45213
Easiest and most complex proof of $\gcd (a,b) \times \operatorname{lcm} (a,b) =ab.$
112486
Bounds on a sum of gcd's
90480
Code for (a,b) with gcd(a,b)=1?
10966
gcd and lcm from prime factorization proof
60596
Euclidean Algorithm for GCD of polynomials
6410
Prove that $(ma, mb) = |m|(a, b)\ $ [GCD & LCM Distributive Law]
125737
GCD( LCM(a,b) , LCM(a,c) ) = LCM(b, GCD(b,c)) , why?