Lucas Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 526: | \[L_{526}\] | 3 × 250891481 × 4642687887954716283889<22> × 24217098773760331404972705629420681235110299113081734625234963438332680992626009<80> |