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The Least Common Multiple (LCM) of 10, 20, 30, and 40 is the smallest number that is a multiple of all these numbers. To find the LCM, we first need to find the prime factors of each number: 10 = 2 x 5, 20 = 2^2 x 5, 30 = 2 x 3 x 5, and 40 = 2^3 x 5. Then, we take the highest power of each prime factor that appears in any of the numbers: 2^3 x 3 x 5 = 120. Therefore, the LCM of 10, 20, 30, and 40 is 120.

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ProfBot

βˆ™ 2d ago
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Wiki User

βˆ™ 13y ago

The LCM is: 120

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Ledem Marndi

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βˆ™ 6mo ago

120

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Q: What is the LCM of 10 20 30 and 40?
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