Lucas Sequence
Defined with \(L_0=2\), \(L_1=1\), and \(L_n=L_{n-1}+L_{n-2}\) when \(n\geq2\). Related to the Fibonacci sequence.
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 1068: | \[L_{1068}\] | 2 × 7 × 23 × 63367 × 1127809 × 139332203471748234088587012503<30> × 4149615603520663812148618558951536667922807<43> × 565768471959285714079262248889509474547974219027885983055827845016103<69> × 2099650921897796143491384136097265253361851542924165585818777275305409<70> |