Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 4 | 2263 | 31×73 |
| 1 | Fully factored | 4 | 2440 | 23×5×61 |
| 2 | Fully factored | 8 | 72523112 | 23×43×210823 |
| 3 | Fully factored | 13 | 8250642505…76<13> | 23×13×6203×12789473 |
| 4 | Fully factored | 18 | 5450674331…11<18> | 23×191×523×237239686949<12> |
| 5 | Fully factored | 19 | 9284468383…34<19> | 2×13×53×6737640336…03<16> |
| 6 | Fully factored | 22 | 7990309165…11<22> | 61×173×857×1627×543024307733<12> |
| 7 | Fully factored | 26 | 2520256418…67<26> | 612×379×2767×25349×254786175011<12> |
| 8 | Fully factored | 30 | 4249551898…40<30> | 22×5×2124775949…47<29> |
| 9 | Fully factored | 33 | 7635807328…52<33> | 24×7×113×603615949663<12>×9995344991…09<17> |
| 10 | Fully factored | 40 | 5991104387…40<40> | 23×5×17×19×229×4618706993<10>×4384181032…71<24> |
| 11 | Fully factored | 47 | 2627831879…16<47> | 22×17239×585337×8392000471<10>×70619624963<11>×1098572269…61<16> |
| 12 | Composite | 52 | 3056069237…27<52> | 5552207×177116573×3107694645…57<37> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(37 digits) of term #12:
3107694645193864966138706812142616857
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 '2263' --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":"2263"},"type":83,"part":"last20","fr":0}}'