Hey there! Welcome to ClearUrDoubt.com. In this post, we will look at a C program to find whether a given number is a prime number or not. Prime Number: A number, which is divisible by only 1 and itself. Eg. 1, 2, 3, 5, 7, 11 and so on are prime numbers.   To find … Continue reading C Program to find whether a number is prime number or not.