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Class 10MathematicsReal NumbersHCF and LCM using prime factorisationExpertLevel 11
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The HCF of two numbers is (33) and their LCM is (2145). If one number is (165), what is the other number?

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Answer and explanation

Correct answer: (429)

Step 1: Product of two numbers equals HCF times LCM. Step 2: The other number is (\frac{33\times2145}{165}=429). Step 3: Use (165=33\times5) to simplify the division.

Related tags

Real-NumbersHcf-LcmUnknown-Number

Frequently asked questions

What is the correct answer to this question?

(429)

Why is this the correct answer?

Step 1: Product of two numbers equals HCF times LCM. Step 2: The other number is (\frac{33\times2145}{165}=429). Step 3: Use (165=33\times5) to simplify the division.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: HCF and LCM using prime factorisation.

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  5. 5What is the LCM of (40) and (60)?
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  8. 8Which is the HCF of (32) and (48)?
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