Which is the smallest prime number?

List the prime numbers from the list below:

$17, 15, 4, 3, 1, 2, 12, 23, 27, 35, 41, 43, 58, 51, 72, 79, 91, 97$

Which number is neither a prime number nor a composite number?

Check whether the given pair of numbers are coprime or not?

$8,14$

Check whether the given pair of numbers are coprime or not?

$4,5$

Check whether the given pair of numbers are coprime or not?

$17,19$

Check whether the given pair of numbers are coprime or not?

$27,15$