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Subjects
Class 10MathematicsReal NumbersPrime FactorisationEasyLevel 7
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Which is the prime factorisation of 42?

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Answer and explanation

Correct answer: (2\times3\times7)

Step 1: Write (42=6\times7). Step 2: (6=2\times3), so (42=2\times3\times7). Step 3: 6 is composite, so do not keep it in the final answer.

Related tags

Prime-FactorisationNumber-42Easy

Frequently asked questions

What is the correct answer to this question?

(2\times3\times7)

Why is this the correct answer?

Step 1: Write (42=6\times7). Step 2: (6=2\times3), so (42=2\times3\times7). Step 3: 6 is composite, so do not keep it in the final answer.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Prime Factorisation.

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