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>
705: | \[L_{705}\] | 22 × 11 × 31 × 941 × 4231 × 6581 × 8461 × 60631 × 77551 × 119851 × 267901 × 322891 × 4826431 × 79099591 × 842432231 × 6643838879<10> × 139509555271<12> × 33481417483721<14> × 3810341472515299531<19> × 3869417639108687754384672781<28> |