Determine whether each of these integers is prime.a) 21________________b) 29________________c) 71________________d) 97________________e) 111________________f) 143

Solution :Step 1 :The objective is to determine whether each of these integers is prime.Step 2 :Any integer number which is divided by 1 or itself , these number called as prime number. An integer number q greater than 1 is prime number, if and only if it has only two factor 1 and q .A positive number that is greater than 1 and is not a prime number is called as composite number.