n# + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
83: | \[431\#+1\] | 215983 × 321247 × 666143 × 22300450379<11> × 1230474769978954303124165964422589072792138842886916441113590869015335798295227252453003720905156908378898257302022986038362448365045425911495790103<148> |