n# + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
71: | \[353\#+1\] | 2143 × 2659 × 195991 × 388277 × 2623573 × 1081837917202245668794906709903751665982461<43> × 75015378562413685326482273680311001741744170108833695241420007074182850548693<77> |