12 can be factored into 2*6.  n needs to be a number with the factors 3 and 6 so that the 3 from n and the 2 from 12 can make a 6, yielding three factors of 6.  3*6 = 18.  12*18 = 216, which is 63.  Therefore, 18 is the least positive value for n.

Back to Red Answer Sheet

Back to Answer Sheet