proposition: Lemma meetKU n m : lcmn m (gcdn m n) = m.
proof: Proof. by rewrite (lcmn_idPl _)// dvdn_gcdl. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat choice seq) mathcomp(path fintype tuple bigop finset div prime finfun) mathcomp(finset)