Question

What is the least common multiple of 5, 6 and 10?

• A. 30
• B. 15
• C. 24
• D. 60

Answer 1

The correct option is A 30

Multiples of 5 are
5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ... and so on.

Multiples of 6 are
6, 12, 18, 24, 30, 36, 42, 48, 54, 60, ... and so on.

Multiples of 10 are
10, 20, 30, 40, 50, 60, ... and so on.

30 and 60 are common multiples of 5, 6 and 10.
But, 30 is the least common multiple of 5, 6 and 10.