How to write a C Program For Prime Number Using Function in C Programming Language ?
Solution:#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;
}
if ( c == a )
return 1;
}