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Class 10MathematicsReal NumbersHCF and LCM using prime factorisationEasyLevel 12
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The two co-prime numbers are (11) and (18). What will be their LCM?

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Answer and explanation

Correct answer: (198)

Step 1: (11) is prime and (18=2\times3^2). Step 2: They have no common prime factor. Step 3: The LCM of co-prime numbers is their product, so (11\times18=198).

Related tags

Real-NumbersLcmCo-Prime

Frequently asked questions

What is the correct answer to this question?

(198)

Why is this the correct answer?

Step 1: (11) is prime and (18=2\times3^2). Step 2: They have no common prime factor. Step 3: The LCM of co-prime numbers is their product, so (11\times18=198).

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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