Which prime factorisation represents an even number?
Answer and explanation
Correct answer: (2 \times 3 \times 13)
Step 1: An even number must contain (2) in its prime factorisation. Step 2: Only the fourth option contains (2), so it represents an even number. Step 3: You do not need to calculate the whole number to check evenness.
Frequently asked questions
What is the correct answer to this question?
(2 \times 3 \times 13)
Why is this the correct answer?
Step 1: An even number must contain (2) in its prime factorisation. Step 2: Only the fourth option contains (2), so it represents an even number. Step 3: You do not need to calculate the whole number to check evenness.
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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