If an integer aaa divides both 60 and 84, what are all possible values of aaa?
{1,2,3,4,6,12}\{1, 2, 3, 4, 6, 12\}{1,2,3,4,6,12}
{1,2,3,4,6,12,20}\{1, 2, 3, 4, 6, 12, 20\}{1,2,3,4,6,12,20}
{1,2,3,4,5,6,10,12,20}\{1, 2, 3, 4, 5, 6, 10, 12, 20\}{1,2,3,4,5,6,10,12,20}
{1,2,3,4,6,12,60,84}\{1, 2, 3, 4, 6, 12, 60, 84\}{1,2,3,4,6,12,60,84}