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Which option gives the correct prime factorisation of (1260)?
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Answer and explanation
Correct answer: (2^2\times3^2\times5\times7)
Step 1: Write (1260=126\times10). Step 2: (126=2\times3^2\times7) and (10=2\times5), so (1260=2^2\times3^2\times5\times7). Step 3: Combine repeated prime factors into powers at the end.
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What is the correct answer to this question?
(2^2\times3^2\times5\times7)
Why is this the correct answer?
Step 1: Write (1260=126\times10). Step 2: (126=2\times3^2\times7) and (10=2\times5), so (1260=2^2\times3^2\times5\times7). Step 3: Combine repeated prime factors into powers at the end.
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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