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Compute the LCM by factoring both and finding the GCF, multiply the numbers together and divide by the GCF.

Factors of 14 are [2 7]

Factors of 20 are [2 2 5]

GCF is 2, so take 14*20=280 and divide by 2, so the answer is 140 ◄

Another way is to take the highest power of all common factors, so it would be 2^2 * 5 * 7 = 140◄

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Q: Least common multiple OF 14 AND 20?
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