Which is the prime factorisation of 63?
Answer and explanation
Correct answer: (3^2\times7)
Step 1: Write (63=9\times7). Step 2: Since (9=3^2), (63=3^2\times7). Step 3: 9 or 21 are composite, so they will not remain in the final answer.
Frequently asked questions
What is the correct answer to this question?
(3^2\times7)
Why is this the correct answer?
Step 1: Write (63=9\times7). Step 2: Since (9=3^2), (63=3^2\times7). Step 3: 9 or 21 are composite, so they will not remain 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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