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Class 10MathematicsReal NumbersHCF and LCM using prime factorisationHardLevel 13
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If (A=2^6\times3\times5^2) and (B=2^4\times3^3\times5), what will be the power of (2) in their LCM?

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Answer and explanation

Correct answer: (6)

Step 1: LCM takes the higher power of a common prime. Step 2: The powers of (2) are (6) and (4), so the higher power is (6). Step 3: In LCM, powers are not added; only the higher power is taken.

Related tags

Real-NumbersLcmPower-Comparison

Frequently asked questions

What is the correct answer to this question?

(6)

Why is this the correct answer?

Step 1: LCM takes the higher power of a common prime. Step 2: The powers of (2) are (6) and (4), so the higher power is (6). Step 3: In LCM, powers are not added; only the higher power is taken.

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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