If \(a\) and \(b\) are positive integers, what is the value of the product \(ab?\)
(1) The least common multiple of \(a\) and \(b\) is \(48.\)
(2) The greatest common factor of \(a\) and \(b\) is \(4.\)
Answer: C
Source: Official Guide
A
B
C
D
E