Prime or not prime number program in c

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Reference Materials string. Start Learning C. Otherwise, it is a prime number. Let's take an example of two numbers and check whether they are prime or not using this process.

So to reduce the number of iterations they must be a better way. An optimised solution to this is run the loop only halfway. Calculate Sum of Natural Numbers.

Generate Multiplication Table. Display Factors of a Number. Note: 0 and 1 are not prime numbers. This program takes a positive integer from the user and stores it in the variable n. Share on:. Did you find this article helpful?