Find the common multiples and the LCM. Numbers:8 18 and 20
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Find the common multiples and the LCM. Numbers:8 18 and 20
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Step-by-step explanation:
To find the common multiples and the least common multiple (LCM) of 8, 18, and 20, we can start by listing the multiples of each number:
Multiples of 8: 8, 16, 24, 32, 40, ...
Multiples of 18: 18, 36, 54, 72, ...
Multiples of 20: 20, 40, 60, 80, ...
Now, let's find the common multiples among these lists:
The common multiples of 8, 18, and 20 are 40, 80, 120, 160, and so on.
To find the LCM, we need to identify the smallest common multiple from the list, which is 40. So, the LCM of 8, 18, and 20 is 40.
Answer:
To find the common multiples and the least common multiple (LCM) of 8, 18, and 20, we can list the multiples of each number and identify their common multiples.
Multiples of 8: 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, ...
Multiples of 18: 18, 36, 54, 72, 90, ...
Multiples of 20: 20, 40, 60, 80, 100, ...
From the listed multiples, we can see that the common multiples of 8, 18, and 20 are 72 and 80.
To find the LCM, we look for the smallest number that is divisible by all three given numbers, which in this case is 72.
Therefore, the common multiples of 8, 18, and 20 are 72 and 80, and the LCM of 8, 18, and 20 is 72.