The least common multiple of a and b is 12 , and the least common multiple of b and c is 15 . What is the least possible value of the least common multiple of a and c ?
Answer Choices
A. 20
B. 30
C. 60
D. 120
E. 180
The least common multiple of a and b is 12 , and the least common multiple of b and c is 15 . What is the least possible value of the least common multiple of a and c ?
Answer Choices
A. 20
B. 30
C. 60
D. 120
E. 180