2017/23-prog.txt


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for (b = 106700; b != 123700; b += 17) {
	f = 1;  // is b prime?

	for (d = 2; d != b; d++) {
		for (e = 2; e != b; e++) {
			if (d * e == b) f = 0;  // nope, it's d * e
		}
	}

	if (f == 0) h++;
}

// h = numprimes([106700, 106717 ... 123700])