n# + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
66: | \[317\#+1\] | 131409329 × 3297118571963<13> × 27893824618337613620879631211<29> × 5915036078238665768300503768754291<34> × 270838394402527273991769902598573109708550265473<48> |