What is the lcm

What is the lcm of 10 and 15?

Answer #1

What are the multiples of 10?

10 20 30 40 50 60

and of 15:

15 30 45 60 75 90 105

Which is the earliest number on those 2 lists that is the same? 30.

Answer #2

lcm like least common multiple? 30

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