C Program To Count Prime Numbers Between Range

Lets write a C program to count prime numbers between user entered/input range of numbers, using function/method.

Prime Number: is a natural number greater than 1, which has no positive divisors other than 1 and itself.

Expected Result
(Input/Output)

Enter start and end value
10
30
Do you want to print prime numbers? (yes = 1, no = 0)
1

Prime numbers between 10 and 30 are:

1. 11 is prime number.
2. 13 is prime number.
3. 17 is prime number.
4. 19 is prime number.
5. 23 is prime number.
6. 29 is prime number.

There are 6 prime numbers between 10 and 30.

Output 2:
Enter start and end value
10
30
Do you want to print prime numbers? (yes = 1, no = 0)
0

There are 6 prime numbers between 10 and 30.

C Programming Interview / Viva Q&A List

C Programming: Beginner To Advance To Expert

[looksbrum]

How should i do to return only the first prime number in range ex: 1 - 10 = 2?

[Sake]

I really don't understand why we declared inum