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Subjects
Class 10MathematicsReal NumbersPrime FactorisationEasyLevel 7
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Which is the prime factorisation of 49?

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Answer and explanation

Correct answer: (7^2)

Step 1: 49 can be written as (7\times7). Step 2: Since 7 is prime, (49=7^2). Step 3: In a square number, the same prime may appear twice.

Related tags

Prime-FactorisationSquare-NumberEasy

Frequently asked questions

What is the correct answer to this question?

(7^2)

Why is this the correct answer?

Step 1: 49 can be written as (7\times7). Step 2: Since 7 is prime, (49=7^2). Step 3: In a square number, the same prime may appear twice.

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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