The least common multiple of two positive integers is 12 and their product is 12. What is their greatest common divisor ?
(A) 1
(B) 2
(C) 3
(D) 6
(E) 18
(SAT Subject Test Question)
Thanks in advance 🙂
Number pairs with LCM of 12: (12, 1), (4, 3)
In each case, their product is also 12, and in each case, their greatest common divisor is 1.
Comments (2)
But if it is (6,2) , their greatest common divisor will be 2 ! , how 😂😂
The LCM of 6 and 2 is 6.