If n is a positive integer and n^3 is a multiple of 550, what is the least possible value of n?
If n is a positive integer and n^3 is a multiple of 550, what is the least possible value of n?
Answer/Solution
110
Steps/Work
cube of a number entails having 3 copies of the original prime factors. Since 550 is a factor of n^3 the least possible value of n is 5(11)2 = 110
the answer is D.
the answer is D.