If a number has prime factorisation (2^7\times3^5\times11^2\times13), how many distinct prime factors does it have?
Answer and explanation
Correct answer: 4
Step 1: While counting distinct prime factors, do not add exponents. Step 2: The prime bases are 2, 3, 11, and 13. Step 3: Therefore, the number of distinct prime factors is 4.
Frequently asked questions
What is the correct answer to this question?
4
Why is this the correct answer?
Step 1: While counting distinct prime factors, do not add exponents. Step 2: The prime bases are 2, 3, 11, and 13. Step 3: Therefore, the number of distinct prime factors is 4.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Prime Factorisation.