CP-Snippets

cute-lcm

• [a,b,c]=abc(a,b,c)/(a,b)(b,c)(c,a), where []=lcm adn ()=gcd or [a,b,c]=abc/gcd(ab,bc,ca)

• https://thesobersobber.github.io/CP-Snippets/cute-lcm
  

• github-snip-file

"https://math.stackexchange.com/questions/1579/n-ary-version-of-gcda-b-space-lcma-b-ab"
"N-ary versions of gcd and lcm"
"proof is heavy lattice ordered smthing based or use inclusion exclusion"