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Subjects
Class 10MathematicsReal NumbersPrime FactorisationHardLevel 7

Which option has incomplete prime factorisation?

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Answer and explanation

Correct answer: (2^4\times45\times49)

Step 1: In an incomplete form, composite factors remain. Step 2: Both 45 and 49 are composite. Step 3: (2^4\times45\times49) must be changed into (2^4\times3^2\times5\times7^2).

Tags

prime-factorisationincomplete-formhard

Frequently asked questions

What is the correct answer to this question?

(2^4\times45\times49)

Why is this the correct answer?

Step 1: In an incomplete form, composite factors remain. Step 2: Both 45 and 49 are composite. Step 3: (2^4\times45\times49) must be changed into (2^4\times3^2\times5\times7^2).

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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