Develop a C program to check whether given integer number is PRIME or NOT using for loop
Code
#include <stdio.h>int main() {int n, i, flag = 0;printf("Enter a positive integer: ");scanf("%d", &n);for (i = 2; i <= n / 2; ++i) {// condition for non-primeif (n % i == 0) {flag = 1;break;}}if (n == 1) {printf("1 is neither prime nor composite.");}else {if (flag == 0)printf("%d is a prime number.", n);elseprintf("%d is not a prime number.", n);}return 0;}
Output
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