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Class 10MathematicsReal NumbersHCF and LCM using prime factorisationEasyLevel 11
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While finding LCM by prime factorisation, which power is taken?

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Answer and explanation

Correct answer: Highest power of all prime factors

Step 1: LCM is the smallest number divisible by all the given numbers. Step 2: Therefore, the highest powers of all prime factors are taken. Step 3: Remember the rule: all factors with highest powers for LCM.

Related tags

Real-NumbersLcmConcept

Frequently asked questions

What is the correct answer to this question?

Highest power of all prime factors

Why is this the correct answer?

Step 1: LCM is the smallest number divisible by all the given numbers. Step 2: Therefore, the highest powers of all prime factors are taken. Step 3: Remember the rule: all factors with highest powers for LCM.

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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  1. 1If the product of two numbers is 3780 and their LCM is 315, what is their HCF?
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  5. 5What is the LCM of (40) and (60)?
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