Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 4 | 3829 | 7×547 |
| 1 | Fully factored | 4 | 4922 | 2×23×107 |
| 2 | Fully factored | 5 | 45732 | 22×3×37×103 |
| 3 | Fully factored | 9 | 509007603 | 3×13×47×277691 |
| 4 | Fully factored | 11 | 21503012066<11> | 2×31393×342481 |
| 5 | Fully factored | 12 | 317439014356<12> | 22×24133×3288433 |
| 6 | Fully factored | 15 | 1985999349…58<15> | 2×32×13×17×49924568861<11> |
| 7 | Fully factored | 18 | 1266048167…86<18> | 2×32×26371×266717262587<12> |
| 8 | Fully factored | 22 | 1977484688…37<22> | 223×1667507×5317905316…17<13> |
| 9 | Fully factored | 24 | 2078439600…67<24> | 23×3121×2895448225…49<19> |
| 10 | Composite | 26 | 1350403121…49<26> | 97×1392168166…17<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 #10:
139216816657327071797917
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 '3829' --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":"3829"},"type":110,"part":"last20","fr":0}}'