Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 4 | 3622 | 2×1811 |
| 1 | Fully factored | 5 | 15529 | 53×293 |
| 2 | Fully factored | 5 | 19426 | 2×11×883 |
| 3 | Fully factored | 6 | 336974 | 2×11×172×53 |
| 4 | Fully factored | 7 | 6503107 | 13×500239 |
| 5 | Fully factored | 8 | 32689526 | 2×16344763 |
| 6 | Fully factored | 9 | 110436525 | 32×52×490829 |
| 7 | Fully factored | 11 | 52979105033<11> | 881×3533×17021 |
| 8 | Fully factored | 12 | 787961443173<12> | 3×53×1279×3874693 |
| 9 | Fully factored | 15 | 3666334002…36<15> | 22×7×47407×276204991 |
| 10 | Fully factored | 17 | 8939040462…37<17> | 467×1914141426…11<15> |
| 11 | Fully factored | 19 | 1033809481…98<19> | 2×5169047406…99<18> |
| 12 | Fully factored | 19 | 2114918112…41<19> | 6761×3128114350…81<15> |
| 13 | Fully factored | 20 | 1496453497…02<20> | 2×53×1411748582…67<18> |
| 14 | Fully factored | 21 | 6193713563…42<21> | 2×770353×4020048966…57<15> |
| 15 | Fully factored | 23 | 1266580790…68<23> | 24×557×1421208247…89<19> |
| 16 | Fully factored | 25 | 4381806021…54<25> | 2×2190903010…27<25> |
| 17 | Fully factored | 26 | 7737084992…29<26> | 41×41659×1282584311<10>×35318215081<11> |
| 18 | Composite | 29 | 2951089717…30<29> | 2×3×5×9836965724…11<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 #18:
983696572447031235542040211
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 '3622' --type 104 --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":"3622"},"type":104,"part":"last20","fr":0}}'