How to write a C Program For Prime Number or Not in C Programming Language ?
Solution:
#include<stdio.h>
main()
{
int n, c = 2;
printf("Enter a number to check if it is prime\n");
scanf("%d",&n);
for ( c = 2 ; c <= n - 1 ; c++ )
{
if ( n%c == 0 )
{
printf("%d is not prime.\n", n);
break;
}
}
if ( c == n )
printf("%d is prime.\n", n);
return 0;
}
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