Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 4 | 3136 | 26×72 |
| 1 | Fully factored | 4 | 9842 | 2×7×19×37 |
| 2 | Fully factored | 7 | 2560805 | 5×13×39397 |
| 3 | Fully factored | 7 | 6134245 | 5×13×19×4967 |
| 4 | Fully factored | 10 | 1561531239<10> | 32×37×4689283 |
| 5 | Fully factored | 12 | 215373811075<12> | 52×1193×7221251 |
| 6 | Fully factored | 13 | 5655019532…91<13> | 773×12289×595303 |
| 7 | Fully factored | 14 | 5313304206…95<14> | 5×7×1518086916…77<13> |
| 8 | Fully factored | 16 | 1532038272…69<16> | 541727×2828063347<10> |
| 9 | Fully factored | 16 | 2326702576…39<16> | 3×19×233×175190315219<12> |
| 10 | Fully factored | 18 | 2217771680…99<18> | 9929×2233630456…31<14> |
| 11 | Fully factored | 19 | 2794787380…55<19> | 32×5×17×47×1303×24379×2446973 |
| 12 | Fully factored | 24 | 2376138764…49<24> | 3×307×1049×1499×1640722176…19<15> |
| 13 | Composite | 26 | 5947941568…07<26> | 3×47×4218398275…27<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 #13:
421839827577989903233427
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 '3136' --type 101 --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":"3136"},"type":101,"part":"last20","fr":0}}'