Answer to Question #5908 in C++ for Kewal

Question

write a function to take an int argument and return 0 if the given number is prime otherwise return -1.

Answer 1

int isprime(int valuex)
{
int x,j;
x=1;
& for (j=2 ; j<valuex; j++)
{ if ((valuex%j)==0) x=0; }
& if(x!=0) return 0;
& else return (-1);
}