Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 5 | 16997 | 23×739 |
| 1 | Fully factored | 5 | 24410 | 2×5×2441 |
| 2 | Fully factored | 7 | 2658416 | 24×166151 |
| 3 | Fully factored | 12 | 197042034191<12> | 81373×2421467 |
| 4 | Fully factored | 13 | 2871668647…80<13> | 23×5×71791716187<11> |
| 5 | Fully factored | 17 | 8513930385…58<17> | 2×809×22861×2301740471<10> |
| 6 | Fully factored | 19 | 2972624092…55<19> | 5×29×131×293×16301×32765653 |
| 7 | Fully factored | 22 | 1520702614…52<22> | 22×29×3613×3628426596…19<16> |
| 8 | Fully factored | 25 | 4685996727…41<25> | 196901×131982937×180316832893<12> |
| 9 | Fully factored | 27 | 2761694719…35<27> | 5×31×61×2920882833…37<23> |
| 10 | Fully factored | 29 | 3463936291…34<29> | 2×19×8231×1107474403…03<24> |
| 11 | Fully factored | 31 | 4334144603…67<31> | 71647×6049303674…61<26> |
| 12 | Composite | 32 | 7173996263…28<32> | 22×17×19×2911061×1907424367…19<23> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(23 digits) of term #12:
19074243674753194438519
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 '16997' --type 83 --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":"16997"},"type":83,"part":"last20","fr":0}}'