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What are two LCM of 21 and 15?

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Anonymous

∙ 14y ago
Updated: 8/19/2019

105 because

if you divide 21 and 15 by three you get 7 and 5 and when you multiply 7, 5, and 3 together you get 105.

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Wiki User

∙ 14y ago
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What two numbers have 105 as their LCM?

The two numbers that have 105 as their least common multiple (LCM) are 15 and 7. This is because the LCM of two numbers is the smallest number that is a multiple of both numbers. In this case, 15 and 7 are both factors of 105, and no smaller number can be a multiple of both 15 and 7.


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