The product of any two prime numbers is 437, what will the sum of their LCM and HCF?

438

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218

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437

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874

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Solution

The correct option is A 438
Given, product of two prime numbers = 437
Hence, HCF of the given numbers = 1
(since the two numbers are prime)

The product of LCM and HCF of any two natural numbers is equal to the product of the given numbers.

LCM × HCF = 437
LCM × 1 = 437
LCM = 437

So,
LCM + HCF = 437 + 1 = 438

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