C Program To Check Whether a Given Number is Prime Number or Not, using While Loop

Lets write a C program to check whether user input number is prime number or not, using while loop.

Prime Number: Any natural number which is greater than 1 and has only two factors i.e., 1 and the number itself is called a prime number.

All the numbers are perfectly divisible by number 1, so we initialize the variable count to 2. So our c program starts checking for divisibility from number 2.

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