Which of the following CANNOT be the least common multiple of two positive integers x and y  Choose the most appropriate option
A) xy	B) x	C) x - xy	D) y	E) x + y
The least common multiple of two positive integers cannot be less than either of them. Therefore, since x - xy is less than x, it cannot be the LCM of a x and y.   Answer: x - xy
<result>C</result>
Which of the following CANNOT be the least common multiple of two positive integers x and y