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Which is the prime factorisation of (1000)?
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Answer and explanation
Correct answer: (2^3 \times 5^3)
Step 1: (1000=10^3). Step 2: Since (10=2 \times 5), (10^3=(2 \times 5)^3=2^3 \times 5^3). Step 3: (10^3) is not final prime factorisation because (10) is not prime.
Frequently asked questions
What is the correct answer to this question?
(2^3 \times 5^3)
Why is this the correct answer?
Step 1: (1000=10^3). Step 2: Since (10=2 \times 5), (10^3=(2 \times 5)^3=2^3 \times 5^3). Step 3: (10^3) is not final prime factorisation because (10) is not prime.
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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