Q.

The HCF of two consecutive natural numbers is ____.


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Detailed Solution

The HCF of two consecutive natural numbers is 1.
The natural numbers are 1, 2, 3, 4, 5 and so on.
As the only common factor among the numbers is 1.
Thus, we can say that the highest common factor among the two consecutive natural numbers is also 1.
Therefore, the correct answer is 1.
 
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The HCF of two consecutive natural numbers is ____.