The definition of a prime number is a nature number greater than 1 that has no positive divisors other than 1 and itself. Please write a program capable of checking if the input is a prime number.
Hint: You might need mod (%), which gives you the reminder of a division. Use the C++ manual to find more about mod or %.
Example:
10 % 3 =1
234 % 7 =3
**************************
Example Input 1:
What do you want to know? 7
Example Output 1:
It is a prime number.
Example Input 2:
What do you want to know? 121
Example Output 2:
It is a composite number.
**************************