Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 4 | 1057 | 7×151 |
| 1 | Fully factored | 4 | 3238 | 2×1619 |
| 2 | Fully factored | 5 | 20141 | 11×1831 |
| 3 | Fully factored | 6 | 103702 | 2×19×2729 |
| 4 | Fully factored | 6 | 567650 | 2×52×11353 |
| 5 | Fully factored | 9 | 192353062 | 2×11×17×514313 |
| 6 | Fully factored | 10 | 4615548443<10> | 11×73×5747881 |
| 7 | Fully factored | 12 | 422318127685<12> | 5×17×269×18470069 |
| 8 | Fully factored | 13 | 4637478398…60<13> | 22×5×17×13639642349<11> |
| 9 | Fully factored | 15 | 7385427915…35<15> | 5×29×5093398562…43<13> |
| 10 | Fully factored | 17 | 3726794750…77<17> | 53×223×29599×106531417 |
| 11 | Fully factored | 19 | 8265201213…92<19> | 23×13×37×2147921313…79<16> |
| 12 | Fully factored | 22 | 3107949608…94<22> | 2×13×23×47×487×2270627877…77<15> |
| 13 | Fully factored | 26 | 3473149929…49<26> | 73×4757739629…13<24> |
| 14 | Fully factored | 26 | 4653007180…66<26> | 2×13×41×101×691×15193×4116551557…27<14> |
| 15 | Fully factored | 31 | 6759658727…28<31> | 25×17×7489×18913×8772868459…41<20> |
| 16 | Composite | 34 | 2588970803…47<34> | 2588970803…47<34> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(34 digits) of term #16:
2588970803483212752475802625304847
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 '1057' --type 106 --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":"1057"},"type":106,"part":"last20","fr":0}}'