n# - 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
60: | \[281\#-1\] | 303665792864057405074693<24> × 117277141037621524016699418297213730021625341<45> × 692103100465307798409452330618064540723626688053<48> |