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Class 10MathematicsReal NumbersHCF and LCM using prime factorisationExpertLevel 12
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The HCF of two numbers is (55) and their LCM is (3575). If one number is (275), what is the other number?

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Answer and explanation

Correct answer: (715)

Step 1: Product of two numbers equals HCF times LCM. Step 2: The other number is (\frac{55\times3575}{275}=715). Step 3: Use (275=55\times5) to simplify the division.

Related tags

Real-NumbersHcf-LcmUnknown-Number

Frequently asked questions

What is the correct answer to this question?

(715)

Why is this the correct answer?

Step 1: Product of two numbers equals HCF times LCM. Step 2: The other number is (\frac{55\times3575}{275}=715). Step 3: Use (275=55\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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  1. 1If the product of two numbers is 3780 and their LCM is 315, what is their HCF?
  2. 2What is the HCF of (18) and (24) using prime factorisation?
  3. 3What is the LCM of (18) and (24) using prime factorisation?
  4. 4What is the HCF of (40) and (60)?
  5. 5What is the LCM of (40) and (60)?
  6. 6What will be the HCF of (45) and (75)?
  7. 7What will be the LCM of (45) and (75)?
  8. 8Which is the HCF of (32) and (48)?
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  10. 10What is the HCF of (27) and (36)?
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