If the least common multiple of a and B is 210, what is their greatest common divisor?
Least common multiple = 2 * 5 * 7 * m = 70m = 210
m=3
Least common divisor = 5m = 15
Least common multiple = 2 * 5 * 7 * m = 70m = 210
m=3
Least common divisor = 5m = 15