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The LCM is the product of the two numbers divided by their HCF. With 12 and 13, the HCF is 1. Therefore, the LCM will equal the product. With 12 and 14, the HCF is 2. Therefore, the LCM will be half of the product.

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Q: Why is the LCM of 12 and 13 the same as there product but the LCM of 12 and 14 is not the same as there product?
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Related questions

Lcm of 13 and 15?

They only have a common factor of one(1), so the product of 13 & 15 is the same as the LCM. 195


What is the least common multiple of 13 and 12?

The LCM of 12 and 13 is 156. Since there are no factors other than 1 common to 12 and 13 then the LCM is the product of the two numbers. 12x13=156


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