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Class 10 Mathematics Real Numbers HCF and LCM using prime factorisationEasyLevel 11

What is the LCM of (64) and (80)?

Answer and explanation

Correct answer: (320)

Step 1: (64=2^6) and (80=2^4\times5). Step 2: The highest powers are (2^6) and (5). Step 3: (64\times5=320), so the LCM is (320).

Tags

real-numberslcmpowers-of-two

Frequently asked questions

What is the correct answer to this question?

(320)

Why is this the correct answer?

Step 1: (64=2^6) and (80=2^4\times5). Step 2: The highest powers are (2^6) and (5). Step 3: (64\times5=320), so the LCM is (320).

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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