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Can two numbers have 15 as their HCF and 175 as their LCM ? Give reasons.

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2 Answers

Since, 15 does not divide 175 and

LCM of two numbers should be exactly divisible by their HCF

.'. Two numbers cannot have their HCF as 15 and

LCM as 175

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No. 

15 does not divide 175. 

LCM of two numbers should be exactly divisible by their HCF.

∴ Two numbers cannot have their HCF as 15 and LCM as 175.

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