Question

HCF of two consecutive odd numbers is _________

Answer 1

Find HCF of two consecutive odd numbers

We know that two consecutive odd numbers have no other common factors other than $1$.

For example:

$3$ and $5$ are two consecutive odd numbers and they have no other common factor other than $1$.

$5$ and $7$ are two consecutive odd numbers and they have no other common factor other than $1$.

$7$ and $9$ are two consecutive odd numbers and they have no other common factor other than $1$.

Hence, HCF of two consecutive odd numbers is $1$