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@0xAether
Last active December 16, 2015 22:20
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/*
*To-do:
* - Use bitwise operations for everything
* - Add ability to output to a file
*/
#include <stdio.h>
#include <stdbool.h>
#include <limits.h>
bool isPrime(unsigned long long num);
bool isPrime(unsigned long long num) {
unsigned long long c = (num >> 1);
for( c; c >= 2; c-- ) {
if ( num % c == 0 ) return false;
}
return true;
}
int main(void) {
unsigned long long c;
for ( c = 2; c <= ULLONG_MAX; c++ ) {
if ( isPrime(c) == true ) printf("%d\n", c);
}
return 0;
}
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