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Class 10MathematicsReal NumbersPrime FactorisationEasyLevel 7
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Which is the prime factorisation of 105?

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Answer and explanation

Correct answer: (3\times5\times7)

Step 1: Write (105=15\times7). Step 2: (15=3\times5), so (105=3\times5\times7). Step 3: 15, 21, and 35 are composite, so do not keep them in the final answer.

Related tags

Prime-FactorisationNumber-105Easy

Frequently asked questions

What is the correct answer to this question?

(3\times5\times7)

Why is this the correct answer?

Step 1: Write (105=15\times7). Step 2: (15=3\times5), so (105=3\times5\times7). Step 3: 15, 21, and 35 are composite, so do not keep them 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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