Lucas Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 840: | \[L_{840}\] | 2 × 47 × 1103 × 1601 × 3041 × 3361 × 6135922241<10> × 10745088481<11> × 164154312001<12> × 23735900452321<14> × 13264519466034652481<20> × 115613939510481515041<21> × 53038179358534879980802020135844825821730074516488926534662709098104940103201<77> |