Question

Whether the given pair of numbers $13$ and $16$ are co-prime?

Answer 1

We know that, co-prime numbers are those who are having $1$ as the only common factor.

Let’s first find the factors of $13$ and $16$

Factors of $13$ are $1$ and $13$.

Factors of $16$ are $1,2,4,8,$ and $16$.

Here, we can observe clearly that $1$ is the only common factor of $13$ and $16$.

Therefore, $13$ and $16$ are co-prime.