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>
| 1185: | \[L_{1185}\] | 22 × 11 × 31 × 2371 × 12641 × 121661 × 383941 × 1552351 × 1713511 × 3012271 × 11743351 × 637293949 × 9263072321<10> × 399660629491<12> × 598619413471<12> × 1027912163389<13> × 4828253906741<13> × 17961497472216391<17> × 32361122672259149<17> × 10413862421064179731<20> × 1127786128495228077937242322394637271801<40> × 5199477888778325418084440381805747471744661<43> |