The LCM of 5, 15, and 30 is 30.
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The least common multiple of 15 , 30 , 45 = 90
Select ALL pairs of numbers that have a least common multiple of 30
The least common multiple of 3 and 5 is 15. This, however is not a multiple of 2 so we must find the next common multiple of 3 and 5. This is 30. Since 30 is also a multiple of 2, 30 is therefore the least common multiple of 3, 5 and 2.
The least common multiple of the numbers 14 and 30 is 210.
The Least Common Multiple of 12, 18, and 30 is 180.