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The LCM is: 60
The least common multiple of 5, 6 and 20 is 60.

You can determine this by looking at the multiples of each number individually and seeing when they match:

5: 5, 10, 15, 20...60

6: 6, 12, 18, 24...60

20: 20, 40, 60

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9y ago

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