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//program to create a function that returns 1 if number passed to it is prime and returns 0 if number passed to it is not prime #include<stdio.h> #include<conio.h> int checkprime(int); int checkprime(int n) { int i; int prime=1; for(i=2;i<=n/2;i++) { if(n%i==0) { prime=0; break; } } if(prime==1) { return 1; } else { return 0; } } void main() { int no; int pr; clrscr(); printf("Enter number to check for "); scanf("%d",&no); pr=checkprime(no); printf("%d",pr); getch(); }