If (H) is the HCF of (143), (187), and (253), what is the value of (H)?
Answer and explanation
Correct answer: (11)
Step 1: (143=11\times13), (187=11\times17), and (253=11\times23). Step 2: The common prime in all three is (11), so the HCF is (11). Step 3: Identify the prime common to all three numbers.
Frequently asked questions
What is the correct answer to this question?
(11)
Why is this the correct answer?
Step 1: (143=11\times13), (187=11\times17), and (253=11\times23). Step 2: The common prime in all three is (11), so the HCF is (11). Step 3: Identify the prime common to all three numbers.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: HCF and LCM using prime factorisation.
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