if k ^ 3 is divisible by 336 , what is the least possible value of integer k ?
"k ^ 3 = 336 * x = 2 ^ 4 * 3 * 7 * x the factors of k must at minimum include 2 ^ 2 * 3 * 7 = 84 . the answer is c ."
divide(divide(336, const_2), const_2)