30, 60, 90
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∙ 5y agoWhat are the first three common multiples of four and five
15, 30, and 45 are.
20, 40, 60.
30, 60, 90, 120, 150
20, 40, 60
10,20 & 30.
the first five common
The two common multiples of three and five are: 15 and 30 ^-^
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.
They are the first five multiples of their lowest common multiple: 140, 280, 420, 560, 700.