They are the first five multiples of their lowest common multiple: 140, 280, 420, 560, 700.
The first five multiples of 4 are 4, 8, 12, 16 and 20. For them to be common, they need to be compared to another set of multiples.
Any multiples of 20.
The first five multiples of 5 are 5, 10, 15, 20 and 25. For them to be common, they need to be compared to another set of multiples.
20, 40, 60.
20, 40, 60
What are the first three common multiples of four and five
140, 280, 420, 560, 700
140, 280, 420, 560, 700.
They are: 140, 280, 420, 560, 700.
140, 280, 420, 560, 700
140, 280, 420, 560, 700.