4 ms·
2*3*5*7*11*13 + 1 = 30031 = 59*509 Neither 59 nor 509 is in {2, 3, 5, 7, 11, 13}, so the proof still holds, but the resultant number is not a "prime" number.
by yen223 10y ago
2*3*5*7*11*13 + 1 = 30031 = 59*509
Neither 59 nor 509 is in {2, 3, 5, 7, 11, 13}, so the proof still holds, but the resultant number is not a "prime" number.