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The LCM of 7, 14, and 21 is 42. Explanation: We can begin by finding the prime factorization of each number: 7 = 7 x 1 14 = 2 x 7 x 1 21 = 3 x 7 x 1 Then, we can take the highest power of each prime factor: 2 (from 14) 3 (from 21) 7 (from all three numbers) Finally, we multiply these numbers togetheRead more
The LCM of 7, 14, and 21 is 42.
Explanation:
We can begin by finding the prime factorization of each number:
7 = 7 x 1
14 = 2 x 7 x 1
21 = 3 x 7 x 1
Then, we can take the highest power of each prime factor:
2 (from 14)
3 (from 21)
7 (from all three numbers)
Finally, we multiply these numbers together:
2 x 3 x 7 = 42
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