n# + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 61: | \[283\#+1\] | 307 × 2111 × 4931 × 9484896326989<13> × 230129489232418426493236897668744631603943468762809127976791593718203103325858873710697030747097<96> |