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hcf(5, 15) = 5

lcm(5, 15) = 15.

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โˆ™ 2015-09-29 20:03:24
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Q: What is the hcf and lcm of 5 and 15?
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What number have an LCM of 75 and HCF of 5?

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Factors: 15 = 3 x 5, 18 = 2 x 3 x 3. The LCM of two numbers = their product divided by their HCF. In this instance the product is 270 and the HCF is 3 so the LCM is 90.


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Can any number have 15 as their HCF and 175 as their LCM?

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