S K Gupta and Anubhuti Gangal Solutions for Exercise 3: Exercise

Tell whether number is prime (P) or composite (C)

$7$

Tell whether number $39$ is prime or composite.

$43$ is a 

$58$ is a 

Tell whether number is prime (P) or composite (C).

$69$

Tell whether $87$ is prime or composite.

Tell whether number is prime (P) or composite (C)

$97$

Tell whether number is prime (P) or composite (C)

$105$