n! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
127: | \[127!+1\] | 3407 × 5087 × 8179 × 7500502393<10> × 557262536830523<15> × 14390547767773598982217841964761<32> × 2002896480650155684677061635571976457061002571505493757461762604981<67> × 176412767890279193612858616987122441839577703881694285019928625802608207852248509<81> |