Lucas Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 508: | \[L_{508}\] | 7 × 1810989685607<13> × 1155333137794466358130062711636874331425462747755838712900914488174203836784504367968088157703<94> |