College Math CLEP Prep Practice Exam

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What is the LCM of 12 and 24?

  1. 8

  2. 12

  3. 24

  4. 48

The correct answer is: 48

The LCM, or least common multiple, is the smallest number that is a multiple of both 12 and 24. In this case, 48 is the LCM because it is divisible by both 12 and 24, and no other number smaller than 48 can satisfy this condition. Option A (8) is incorrect because it is not a multiple of both 12 and 24. Option B (12) and C (24) are also incorrect because they are not the smallest common multiple of 12 and 24. Therefore, option D (48) is the correct answer as it is the smallest number that is divisible by both 12 and 24.

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