Lucas Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
831: | \[L_{831}\] | 22 × 1109 × 23269 × 5923369 × 1003666289 × 322458613167451<15> × 218359363069631221<18> × 3647646099535497480264359<25> × 3977325381135035641567021<25> × 743964216302219309592652829266538079200102172387864582776037093218809<69> |