20, 40, 60...
10, 20 and 30.
20, 40, 60
4060, 8120, 12180.
1, 660, 5580
What are the first three common multiples of four and five
10, 20, 30 The common multiples of 5 and 10 are multiples of their lowest common multiple. The lcm of 5 and 10, is 10. Thus the first three common multiples are 10, 20, 30.
20, 40, 60
20, 40, and 60.
They are: 180, 360 and 540
20, 40 and 60
100, 200, 300
20, 40, 60.