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What is $(HCF × LCM)$ of 490 and 1155?

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565950

565955

564950

565850

answer is A.

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Detailed Solution

The given numbers are 490 and 1155.
We know that,
The formula which involves both HCF and LCM is:
(HCF of the two numbers)

\times

(LCM of the two numbers) = Product of Two numbers If ‘a’ and ‘b’ be two numbers, then we have,

a × b = H C F × L C M

Here, we have a = 490 and b = 1155.

⇒ H C F × L C M = 490 × 1155 = 565950

Hence,

(HCF × LCM)

of 490 and 1155 is 565950.
So, option (1) is correct.

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