Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 5 | 48286 | 2×7×3449 |
| 1 | Fully factored | 6 | 894074 | 2×409×1093 |
| 2 | Fully factored | 8 | 25922968 | 23×3240371 |
| 3 | Fully factored | 9 | 520818496 | 26×11×739799 |
| 4 | Fully factored | 11 | 13780036674<11> | 2×32×1721×444833 |
| 5 | Fully factored | 15 | 2025009379…33<15> | 11×1021×15083×1195421 |
| 6 | Fully factored | 17 | 2638198323…96<17> | 24×1648873952…81<16> |
| 7 | Fully factored | 18 | 1303949066…31<18> | 17×3339607×2296763849<10> |
| 8 | Fully factored | 19 | 1033662306…49<19> | 29×233×1529765142…57<15> |
| 9 | Fully factored | 20 | 4376903572…07<20> | 32×17×2860721289…19<18> |
| 10 | Fully factored | 22 | 2894091575…69<22> | 172×509×1967418016…69<17> |
| 11 | Fully factored | 23 | 1593734801…69<23> | 60859091×2618729223…59<15> |
| 12 | Fully factored | 24 | 1450993802…34<24> | 2×7254969013…17<23> |
| 13 | Fully factored | 25 | 1236702908…67<25> | 71×130307×471277×283637103643<12> |
| 14 | Composite | 28 | 1038040297…18<28> | 2×3×1730067161…03<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:
173006716173507101919660503
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 '48286' --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":"48286"},"type":110,"part":"last20","fr":0}}'