Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 393 | 3×131 |
| 1 | Fully factored | 4 | 3014 | 2×11×137 |
| 2 | Fully factored | 5 | 70290 | 2×32×5×11×71 |
| 3 | Fully factored | 10 | 1862901454<10> | 2×73×12759599 |
| 4 | Fully factored | 11 | 57127915844<11> | 22×23×7757×80051 |
| 5 | Fully factored | 14 | 5522498035…25<14> | 52×83×5113×5205251 |
| 6 | Fully factored | 18 | 1287525773…74<18> | 2×3×70928129×302542351 |
| 7 | Fully factored | 20 | 5126102992…65<20> | 5×7×124038521×11807629139<11> |
| 8 | Fully factored | 22 | 3959055124…12<22> | 23×45329×1091755588…91<17> |
| 9 | Fully factored | 25 | 1526393781…05<25> | 5×17×191×1613×5828810384…71<17> |
| 10 | Fully factored | 28 | 3883103220…97<28> | 37×1049487356…81<27> |
| 11 | Composite | 29 | 2596993267…98<29> | 2×112×41×2617409058…09<25> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(25 digits) of term #11:
2617409058220191685080509
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 '393' --type 116 --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":"393"},"type":116,"part":"last20","fr":0}}'