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If a number has prime factorisation (2^9\times3^7\times5^4\times7^3\times11^2), how many prime factors does it have with repetition?
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Answer and explanation
Correct answer: 25
Step 1: To count with repetition, add the exponents. Step 2: (9+7+4+3+2=25). Step 3: Keep the number of bases and the total count with repetition separate.
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What is the correct answer to this question?
25
Why is this the correct answer?
Step 1: To count with repetition, add the exponents. Step 2: (9+7+4+3+2=25). Step 3: Keep the number of bases and the total count with repetition separate.
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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