Consider the following in respect of natural numbers a, b and c:1. LCM(ab, ac) = a × LCM(b, c)2. HCF(ab, ac) = a × HCF(b, c)3. HCF (a, b) < LCM(a, b)4. HCF(a, b) divides LCM(a, b)Where, a ≠ b ≠ c Which of the above are correct?

• A. 1 and 2 only
• B. 3 and 4 only
• C. 1, 2 and 4 only
• D. 1, 2, 3 and 4