Question

The least common multiple of a and b is 42. The LCM of 5a and 11b is:

• A. 4620
• B. 210
• C. 462
• D. 2310

Answer 1

Answer:

D. 2310

LCM(a, b) = 42 LCM(5a, 11b) = 5 × 11 × 42 = 2310