18, 36, and 54
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The first 3 multiples of 9 are: 9, 18, and 27.The first 3 multiples of 12 are: 12, 24, and 36.
What are the first three common multiples of four and five
factoring 5 factored =1*5 12 factored =2*2*3 no common factor so the LCM is 60 the next multiples would be 120 and 180
The first thing you should notice is that both 8 and 12 are evenly divisible by 2. This means that any common multiples of 8 and 12 will also be multiples of 2. So we only really need to find the first three common multiples of 8 and 12.First common multiple: 248 * 3 = 2412 * 2 = 24(2 * 12 = 24)Second common multiple: 488 * 6 = 4812 * 4 = 48(2 * 24 = 48)Second common multiple: 728 * 9 = 7212 * 6 = 72(2 * 36 = 72)
16, 32, 48. Since 16 is divisible by 4. Every multiple of 16 is also a multiple of 4, so I just took the first 3 multiples of 16.