Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 235 | 5×47 |
| 1 | Fully factored | 4 | 1086 | 2×3×181 |
| 2 | Fully factored | 5 | 95820 | 22×3×5×1597 |
| 3 | Fully factored | 9 | 446968547 | 37×12080231 |
| 4 | Fully factored | 10 | 6390442236<10> | 22×3×532536853 |
| 5 | Fully factored | 13 | 6479375892…86<13> | 2×17×19×2129×4711129 |
| 6 | Fully factored | 15 | 6974161956…68<15> | 22×3×41×1417512592…29<13> |
| 7 | Fully factored | 19 | 9123597253…29<19> | 3×1963691×1548715701…73<13> |
| 8 | Fully factored | 21 | 2292655056…93<21> | 3×7642183522…31<20> |
| 9 | Fully factored | 22 | 1757702210…16<22> | 24×11×9986944376…91<19> |
| 10 | Fully factored | 26 | 6427939952…04<26> | 27×32×71×131×298631×2008883719…67<14> |
| 11 | Fully factored | 38 | 6517121945…76<38> | 22×19×1962953×4368500139…17<30> |
| 12 | Fully factored | 41 | 3421015501…27<41> | 191741248753<12>×1784183384…59<30> |
| 13 | Fully factored | 42 | 3213586651…70<42> | 2×3×5×2167987×59772719×732270498821<12>×1128853376…73<15> |
| 14 | Composite | 46 | 2357098681…64<46> | 22×71×8707×9532150274…03<39> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(39 digits) of term #14:
953215027458413676018889152958705013203
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 '235' --type 73 --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":"235"},"type":73,"part":"last20","fr":0}}'