n!!!! - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
142: | \[142!!!!-1\] | 28423523 × 2826627109 × 10523399886681179812859<23> × 194696539208176662021923<24> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
142: | \[142!!!!-1\] | 28423523 × 2826627109 × 10523399886681179812859<23> × 194696539208176662021923<24> |