Lucas Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 406: | \[L_{406}\] | 3 × 281 × 347 × 7307 × 1270083883 × 64690797641<11> × 23670698911880865758980387<26> × 1699025090503783326202175396329<31> |