Lucas Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
688: | \[L_{688}\] | 2207 × 25948609 × 1522726772197695752518498088300171807<37> × 6965592972972893121300616468566415923281726745297518609446134117707110173045414991126916323443167<97> |