Thread: prime numbering

i am trying to make a program that checks if the number is a prime number:

Code:

#include <stdio.h>

int prime( int a )

int main(){
	int b;
	printf("type in the  number:")
	scanf("%d",&b);
	if (prime( b )==b){printf("of course");}
	else {printf("nope=no hope");}
	getchar();
	return 0;}

int prime( int a ){
	int x;
	for(x=2;x<a;x++){
		if(!(a%x==0)){return a;}}}

but when i run it after typing in the number it quits
pleasse help!!!