n!!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 237: | \[237!!!!!-1\] | 52 × 4079 × 47297 × 2712131 × 5639593 × 9747938392945169535700729093<28> × 2703002779806768258509855050912593032447743<43> |