Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 5 | 18109 | 7×13×199 |
| 1 | Fully factored | 6 | 117699 | 3×39233 |
| 2 | Fully factored | 7 | 1211108 | 22×31×9767 |
| 3 | Fully factored | 9 | 508306642 | 2×254153321 |
| 4 | Fully factored | 11 | 12461184571<11> | 11×41×27630121 |
| 5 | Fully factored | 13 | 1688504192…21<13> | 151×11182146971<11> |
| 6 | Fully factored | 14 | 2305195363…46<14> | 2×3×3581×1072882511<10> |
| 7 | Fully factored | 16 | 5076331639…61<16> | 3×41×59×17827×39238699 |
| 8 | Fully factored | 21 | 1142081304…49<21> | 32×37×1586911×216122617223<12> |
| 9 | Fully factored | 25 | 1794180367…48<25> | 24×3×3737875764…51<23> |
| 10 | Fully factored | 27 | 7875870309…76<27> | 29×14087×758551×1439545165…79<15> |
| 11 | Composite | 29 | 2179206529…04<29> | 22×34897×1561170394…83<24> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(24 digits) of term #11:
156117039416590054132483
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 '18109' --type 110 --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":"18109"},"type":110,"part":"last20","fr":0}}'