140, 280, 420
140, 280, 420
2 and 4 are common multiples of the numbers 14 and 20
140
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.
1, 660, 5580
10, 20, 30
20, 40, 60
20, 40 and 60
100, 200, 300
20, 40, 60.
10, 20, 30.
10, 20, 30.