ref: 4a958ed64d14b99abed9c49125079ca21d3a8d38
dir: /tests/execute/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;
}