n# + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 73: | \[367\#+1\] | 51420888649203007716619883183<29> × 8707619021872908063572305003178514805341379841110633<52> × 27167237233435810392665696910612596991845463677733039163809315771029<68> |