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Subjects
Class 10MathematicsReal NumbersFundamental Theorem of ArithmeticHardLevel 4
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Which is the prime factorisation of 3969?

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Answer and explanation

Correct answer: (3^4\times7^2)

Step 1: (3969=63^2). Step 2: Since (63=3^2\times7), (63^2=3^4\times7^2). Step 3: (63\times63) gives the product, but it is not prime factorisation.

Related tags

Prime-FactorisationPerfect-SquareHard

Frequently asked questions

What is the correct answer to this question?

(3^4\times7^2)

Why is this the correct answer?

Step 1: (3969=63^2). Step 2: Since (63=3^2\times7), (63^2=3^4\times7^2). Step 3: (63\times63) gives the product, but it is not prime factorisation.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Fundamental Theorem of Arithmetic.

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