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Least common multiple of 5 and 15

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The lcm of 5 and 15 can be obtained like this:
The multiples of 5 are ... , 10, 15, 20, ....
The multiples of 15 are ..., 0, 15, 30, ...
Therefore, the least common multiple of 5 and 15 is 15.
User Apoorv Nag
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