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Start by factoring each of the numbers.

7=7

12=2x2x3

14=2x7

Remove the duplicated factors. 7 is duplicated between 7 and 14; so remove one 7. 2 is duplicated between 12 and 14; so remove one 2. Multiply together the remaining factors. 7x2x2x3=84 Answer: 84

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7y ago

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Anonymous

4y ago
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Q: What is the lowest common multiple of 7 12 and 14?
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