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multiple of 7 = 7,14,21,28,35,42,49,56,63,70,77.......

multiple of 8 = 8,16,24,32,40,48,56,64,72,80,88..........

so the lcm of 7&8 is 56.

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Q: What is the LCM of 7 and 8 and the multiples?
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List the first three common multiples of 2 and 7 and 8?

lcm(2, 7) = 14 → first 3 common multiples are: 14, 28, 42; lcm(2, 8) = 8 → first 3 common multiples are: 8, 16, 24; lcm(7, 8) = 56 → first 3 common multiples are: 56, 112, 168; lcm(2, 7, 8) = 56 → first 3 common multiples are: 56, 112, 168.


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