Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 4 | 6413 | 112×53 |
| 1 | Fully factored | 5 | 38945 | 5×7789 |
| 2 | Fully factored | 6 | 210308 | 22×72×29×37 |
| 3 | Fully factored | 11 | 14350112822<11> | 2×43×166861777 |
| 4 | Fully factored | 13 | 3284340357…54<13> | 2×47×34939791041<11> |
| 5 | Fully factored | 15 | 6877199070…74<15> | 2×76771×4479034447<10> |
| 6 | Fully factored | 17 | 6426924873…48<17> | 23×19×97×4359010358…17<13> |
| 7 | Fully factored | 22 | 1688769924…81<22> | 7×17×1419134390…99<20> |
| 8 | Fully factored | 23 | 1034548970…37<23> | 31×47×28297×671131×373889963 |
| 9 | Fully factored | 28 | 1515209696…03<28> | 23×61×87097639×1239962889…59<17> |
| 10 | Fully factored | 29 | 9455457888…40<29> | 25×5×37×61×773×37493×9034442065…93<16> |
| 11 | Fully factored | 41 | 1945742333…10<41> | 2×5×67×2904093035…13<38> |
| 12 | Fully factored | 44 | 1543354106…13<44> | 1359398723…33<14>×1135321138…61<31> |
| 13 | Composite | 45 | 2337525545…22<45> | 2×1979×1202857×4909831365…37<35> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(35 digits) of term #13:
49098313650663960604222153057676137
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 '6413' --type 77 --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":"6413"},"type":77,"part":"last20","fr":0}}'