#include<stdio.h> int main() { int num,i,count=0; printf("nEnter a number:"); scanf("%d",&num); for(i=2;i<=num/2;i++){ if(num%i==0){ count++; break; } } if(count==0) printf("%d is a prime number",num); else printf("%d is not a prime number",num); return 0; }
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