Lucas Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 656: | \[L_{656}\] | 2207 × 5877820495007<13> × 17082086114207<14> × 77793983007494113730299744096232053147887131423<47> × 7234132139647167989475582370803952487649173808170830204282463<61> |