60
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No, it is 30.
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lcm(3, 5, 8, 4, 6, 12) = 120
the lcm of 1 2 3 4 5 6 7 is 420
15 (3 x 5) and 18 (3 x 6)3 x 5 x 6 = 90The LCM is 90.
The answer is 60. The way I approached this is: LCM of 3 and 6 is 6 (since 3 x 2 = 6 and 6 x 1 = 6), so you can disregard the 3. LCM of 4 and 6 is 12 ( 6 = 3 x 2 & 4 = 2 x 2) they have a common factor of 2, so 12 = 3 x 2 x 2. So now you have to figure LCM of 5 and 12. 5 and 12 only have a common factor of 1, so LCM of 5 & 12 is 5 times 12 = 60.
The LCM of 3 and 6 is 6.