Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 562 | 2×281 |
| 1 | Fully factored | 4 | 2329 | 17×137 |
| 2 | Fully factored | 5 | 17545 | 5×112×29 |
| 3 | Fully factored | 6 | 175197 | 3×11×5309 |
| 4 | Fully factored | 7 | 3511485 | 33×5×19×372 |
| 5 | Fully factored | 10 | 3327755426<10> | 2×107×281×55339 |
| 6 | Fully factored | 13 | 2314208335…15<13> | 5×7×929×71173561 |
| 7 | Fully factored | 15 | 1846160191…49<15> | 7×479×27179×2025827 |
| 8 | Fully factored | 16 | 8408877395…27<16> | 3×1049×1534153×1741697 |
| 9 | Fully factored | 21 | 1118615849…65<21> | 3×5×313×3413×281551×24794309 |
| 10 | Fully factored | 24 | 1196007382…69<24> | 107×1117763908…67<22> |
| 11 | Fully factored | 24 | 1274410673…35<24> | 34×5×29129×1080261258…03<17> |
| 12 | Fully factored | 25 | 3784845638…95<25> | 3×5×12211×16063×1286408858…61<16> |
| 13 | Fully factored | 28 | 3921665032…41<28> | 19×257×8031261585…27<24> |
| 14 | Composite | 29 | 2383235780…15<29> | 5×17×2803806800…39<27> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(27 digits) of term #14:
280380680096725828827229639
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 '562' --type 117 --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":"562"},"type":117,"part":"last20","fr":0}}'