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Class 10MathematicsReal NumbersHCF and LCM using prime factorisationEasyLevel 12
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Which is the LCM of (81) and (108)?

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Answer and explanation

Correct answer: (324)

Step 1: (81=3^4) and (108=2^2\times3^3). Step 2: For LCM, take (2^2) and (3^4). Step 3: (4\times81=324), so the LCM is (324).

Related tags

Real-NumbersLcmPowers

Frequently asked questions

What is the correct answer to this question?

(324)

Why is this the correct answer?

Step 1: (81=3^4) and (108=2^2\times3^3). Step 2: For LCM, take (2^2) and (3^4). Step 3: (4\times81=324), so the LCM is (324).

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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