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Which prime factorisation represents an odd number?
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Answer and explanation
Correct answer: (3^3 \times 5)
Step 1: An odd number does not contain (2) as a prime factor. Step 2: The second option has (3) and (5), but no (2), so it is odd. Step 3: The presence of (2) makes the number even.
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What is the correct answer to this question?
(3^3 \times 5)
Why is this the correct answer?
Step 1: An odd number does not contain (2) as a prime factor. Step 2: The second option has (3) and (5), but no (2), so it is odd. Step 3: The presence of (2) makes the number even.
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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