n# - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
81: | \[419\#-1\] | 1986323 × 7107593640109421533<19> × 6674582810019315719043672155983<31> × 74174821983669077907159555535703215990801470918001592876440267376741333104604803254418683704065562174471064289837<113> |