- #include<stdio.h>
- int check_prime(int);
- main()
- {
- int n, result;
- printf("Enter an integer to check whether it is prime or not.\n");
- scanf("%d",&n);
- result = check_prime(n);
- if ( result == 1 )
- printf("%d is prime.\n", n);
- else
- printf("%d is not prime.\n", n);
- return 0;
- }
- int check_prime(int a)
- {
- int c;
- for ( c = 2 ; c <= a - 1 ; c++ )
- {
- if ( a%c == 0 )
- return 0;
- }
- return 1;
- }