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Prime factors of:

6 ..=... 2 x 3

21..= .... ...3 x 7

============

LCM= ..2 x 3 x 7

Answer: LCM = 42

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12y ago
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11y ago

5
7
2 x 7
Combine the factors, eliminating duplicates.
2 x 5 x 7 = 70, the LCM

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Wiki User

9y ago

2 x 2 = 4

2 x 2 x 3 = 12

3 x 3 x 3 = 27

2 x 2 x 3 x 3 x 3 = 108, the LCM

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Wiki User

13y ago

The LCM of 5, 7, and 9 is 315.

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Wiki User

10y ago

70

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Q: What is the LCM of 4 12 27 with the work?
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