Question
What is the $H.C.F$ of two consecutive numbers?

Answer

The $HCF$ of two consecutive numbers is $1$.
Example: $D = 4$ and $d= 5$ are two consecutive numbers.
Here, we have dividend $= 5$ and divisor $= 4$

Clearly, the last divisor is $1$. Hence, $HCF$ of $4$ and $5$ is $1$.

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