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Class 10MathematicsReal NumbersHCF and LCM using prime factorisationEasyLevel 11
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What is the LCM of (49) and (70)?

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Answer and explanation

Correct answer: (490)

Step 1: (49=7^2) and (70=2\times5\times7). Step 2: For LCM, take (2), (5), and the higher power (7^2). Step 3: (2\times5\times49=490), so the answer is (490).

Related tags

Real-NumbersLcmSquare-Number

Frequently asked questions

What is the correct answer to this question?

(490)

Why is this the correct answer?

Step 1: (49=7^2) and (70=2\times5\times7). Step 2: For LCM, take (2), (5), and the higher power (7^2). Step 3: (2\times5\times49=490), so the answer is (490).

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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