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Class 10 Mathematics Real Numbers Prime FactorisationMediumLevel 7

Which is the prime factorisation of 1331?

Answer and explanation

Correct answer: (11^3)

Step 1: Write (1331=11\times121). Step 2: (121=11^2), so (1331=11^3). Step 3: Since 121 is composite, write (11^3) in the final form.

Tags

prime-factorisationcube-numbermedium

Frequently asked questions

What is the correct answer to this question?

(11^3)

Why is this the correct answer?

Step 1: Write (1331=11\times121). Step 2: (121=11^2), so (1331=11^3). Step 3: Since 121 is composite, write (11^3) in the final form.

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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