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Class 10 Mathematics Real Numbers Prime FactorisationMediumLevel 10

Which is the prime factorisation of (75)?

Answer and explanation

Correct answer: (3 \times 5^2)

Step 1: Write (75=3 \times 25). Step 2: Since (25=5^2), (75=3 \times 5^2). Step 3: Do not leave (25) in the final answer because it is not prime.

Tags

real-numbersprime-factorisation75

Frequently asked questions

What is the correct answer to this question?

(3 \times 5^2)

Why is this the correct answer?

Step 1: Write (75=3 \times 25). Step 2: Since (25=5^2), (75=3 \times 5^2). Step 3: Do not leave (25) in the final answer because it is not prime.

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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