Lucas Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 1820: | \[L_{1820}\] | 72 × 103 × 727 × 2161 × 14503 × 14561 × 21841 × 131041 × 193649 × 800801 × 21183761 × 57089761 × 102193207 × 1932300241 × 8303168327<10> × 5836312049326721<16> × 118021448662479038881<21> × 1683719541502120223141651029918429841<37> × 2741668253546195398668394760936110268892097033252001<52> × 48610296295079594630037513111055941723837158993909399867928186194888200558825994263605556140628663829583134287342213872486213550535549229927700073917193689138825150672040245201<176> |