Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 5 | 47643 | 3×15881 |
| 1 | Fully factored | 6 | 476433 | 32×52937 |
| 2 | Fully factored | 8 | 47643393 | 3×7×19×97×1231 |
| 3 | Fully factored | 11 | 29915936313<11> | 3×90121×110651 |
| 4 | Fully factored | 13 | 2688822003…33<13> | 3×101693×8813527 |
| 5 | Fully factored | 15 | 2141687091…93<15> | 32×53×18553×24200453 |
| 6 | Fully factored | 18 | 5292639221…93<18> | 3×13×2087×2131×6619×461009 |
| 7 | Fully factored | 22 | 8166640475…93<22> | 3×17×31013×16413253×314582687 |
| 8 | Fully factored | 25 | 5572737937…13<25> | 32×43×47×71×2143×185947×10829043587<11> |
| 9 | Composite | 33 | 1553849393…93<33> | 3×3361×162779×9467183155…49<23> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(23 digits) of term #9:
94671831555906947843849
Check for factors - let the server run a small P-1 / P+1 / ECM step on the composite:
From the command linefdb · curl
fdb
fdb seq view '47643' --type 80 --part last20
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"sequence_view","params":{"start":{"expr":"47643"},"type":80,"part":"last20","fr":0}}'