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Which option is not a final prime factorisation?
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Answer and explanation
Correct answer: (2^2\times25\times7)
Step 1: A final prime factorisation should not contain a composite factor like 25. Step 2: Since (25=5^2), (2^2\times25\times7) is not final form. Step 3: Change 25 into (5^2).
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What is the correct answer to this question?
(2^2\times25\times7)
Why is this the correct answer?
Step 1: A final prime factorisation should not contain a composite factor like 25. Step 2: Since (25=5^2), (2^2\times25\times7) is not final form. Step 3: Change 25 into (5^2).
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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