n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 487: | \[487!!!!-1\] | 22 × 8171 × 301579 × 9491307347<10> × 721056010049<12> × [10153584763206232847385664235290869141156583656879057166029679883780622945535355980305547661596042406585751774413522417497630547259232973771999208629154766701033738379844926071906614779527969225152731060335476591341675404506002275495722852347603<245>] |