Lucas Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 2020: | \[L_{2020}\] | 7 × 2161 × 153521 × 4057630561 × 1380288583601<13> × 317191226610161<15> × 365577168608254038823<21> × 259810712071020092939911160510563206299521186512399367<54> × [364680905201391666656872752695417861886807864608180493435825432550785596824827123748182375855051975199465135544174987104076726780048824974125649131038488814491443693068003805558469034862027038677423632925221385696344657313322263516665022443392333996750790428656225529232668568755922430862369263685211921<303>] |