4 ms·
The misconception is that p_1 × p_2 × ... × p_n + 1 has to be prime at all. It can very well be the case that p_1 × p_2 × ... × p_n + 1 is composite.
by obastani 7y ago
The misconception is that p_1 × p_2 × ... × p_n + 1 has to be prime at all. It can very well be the case that p_1 × p_2 × ... × p_n + 1 is composite.