The LCM is 8.
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The least common multiple of 4, 5, and 8 is 40.
The Least Common Multiple (LCM) for 8 4 12 is 24.
8
the least common multiple of 4 and 8 is 8. it's that easy. if you don't belive me do the math because i did. because, look at this. 4: 4, 8, 12, 16, 20 AND 8: 8, 16, 24, 32, 40 so the least common multiple is 8.
Since 8 is a multiple of 4, it is automatically the LCM.