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If a number has prime factorisation (2^6\times3^4\times5^3\times7^2), how many prime factors does it have with repetition?
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Answer and explanation
Correct answer: 15
Step 1: For counting with repetition, add the exponents. Step 2: (6+4+3+2=15). Step 3: Remember the difference between the number of distinct bases and the count with repetition.
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What is the correct answer to this question?
15
Why is this the correct answer?
Step 1: For counting with repetition, add the exponents. Step 2: (6+4+3+2=15). Step 3: Remember the difference between the number of distinct bases and the count with repetition.
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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