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Class 10 Mathematics Real Numbers HCF and LCM using prime factorisationEasyLevel 10

What will be the LCM of (45) and (75)?

Answer and explanation

Correct answer: (225)

Step 1: (45=3^2\times5) and (75=3\times5^2). Step 2: Take the highest powers (3^2) and (5^2). Step 3: (3^2\times5^2=225), so the LCM is (225).

Tags

real-numberslcmprime-factors

Frequently asked questions

What is the correct answer to this question?

(225)

Why is this the correct answer?

Step 1: (45=3^2\times5) and (75=3\times5^2). Step 2: Take the highest powers (3^2) and (5^2). Step 3: (3^2\times5^2=225), so the LCM is (225).

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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