Algebra-1

In set theory, the empty set, denoted as ∅ or { }, is a set with no elements. Given the sets E = {1, 2, 3} and F = {4, 5, 6}, and the universal set U = {1, 2, 3, 4, 5, 6}, find the intersection of sets E and F, denoted as EF. EF = ______.