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>
| 2355: | \[L_{2355}\] | 22 × 11 × 31 × 1571 × 89491 × 1770961 × 32687401 × 39980051 × 412341661 × 413454791 × 672390181 × 5582212767472351202791<22> × 2812192679897273578208201<25> × 16188856575286517818849171<26> × 478330258123360554199869169<27> × 3079454617915271908840440301<28> × 530974881763927371142458559129<30> × 314976495245195958549599489106631981<36> × 148961475362484861229557796489658110180331<42> × 58630303121721516414400614113393875275604219952680591<53> × 5688618391198546986051204573200056172797807045352149141219433863501<67> × 9258896020596923642664934511983033390313663351993058015096535360148934149163293341<82> |