Two positive integers \(a\) and \(b\) are divisible by \(5,\) which is their largest common factor. What is the value of \(a\) and \(b?\)
(1) The lowest number that has both integers \(a\) and \(b\) as its factors is the product of one of the integers and the greatest common divisor of the two integers.
(2) The smaller integer is divisible by \(4\) numbers and has the smallest odd prime number as its factor.
Answer: E
Source: e-GMAT