Lucas Sequence
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 1947: | \[L_{1947}\] | 22 × 199 × 709 × 6491 × 8969 × 9901 × 336419 × 3894001 × 4250951 × 10884439 × 2227542645901<13> × 105117617351706859<18> × 9612926590532995199777721978326976344671<40> × 38036569145405908738139098073840422114446621894608685476173261748283691<71> × 336124686987705140692071905981797798063766392065435458340911807201327210105507801637635510256961<96> × 139641317497404112559962703770087203884123184718518217988773412895352872231636052038705695179371235684879608654930470419534954741<129> |