ref: ad3e410e18f471cc42104b7f39f195fb5d819b7a
dir: /tests/0042-prime.c/
int
main() {
int n;
int t;
int c;
int p;
c = 0;
n = 2;
while (n < 5000) {
t = 2;
p = 1;
while (t*t <= n) {
if (n % t == 0)
p = 0;
t++;
}
n++;
if (p)
c++;
}
if (c != 669)
return 1;
return 0;
}