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>
| 2637: | \[L_{2637}\] | 22 × 19 × 1759 × 89659 × 287141 × 25156981 × 492997699 × 3771632539 × 2965700267389<13> × 307484851159441<15> × 1654489397205811<16> × 107506401716092324891377572341296679<36> × 29595891988122254209096730641656891649<38> × 52291579866314206596718674419610493447917991<44> × 59605095029402530487010572214642235677583217188556211631<56> × 14037963192735268249202228593714446221522996413951667237288248400967442782605264857196571036768572762441461<107> × 3726542206111022371005168053534152309749330109722210225948478409576157604289493575879767152318070160418160144692532416304197846404821279616698275819906950396867662551493300363083950990819149<190> |