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#602571
#include <stdio.h>int isprime(int n){ int i; for (i = 2; i <= n / 2; i++) if (n % i == 0) return 0; return 1;}int main(int argc, char *argv[]){ if (argc != 2) { printf("usage: %s <max limit>\n", argv[0]); exit(1); } int i, maxlim = atoi(argv[1]); for (i = 2; i < maxlim; i++) if (isprime(i)) printf("%d\n", i); return 0;}