Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 4 | Fully factored | 6 | 867705 | 3×5×57847 |
| 5 | Fully factored | 7 | 3531255 | 3×5×7×132×199 |
| 6 | Fully factored | 7 | 3505607 | 72×29×2467 |
| 7 | Fully factored | 7 | 7461283 | 17×438899 |
| 8 | Fully factored | 8 | 18264691 | 23×373×2129 |
| 9 | Fully factored | 9 | 387405905 | 5×23×3368747 |
| 10 | Fully factored | 11 | 21864081195<11> | 33×5×11×83×179×991 |
| 11 | Fully factored | 12 | 230673822687<12> | 32×7×11×332862659 |
| 12 | Fully factored | 13 | 3827148723…95<13> | 5×765429744679<12> |
| 13 | Fully factored | 13 | 6262987883…59<13> | 3×11×432×2953×34759 |
| 14 | Fully factored | 13 | 4066185414…99<13> | 7×11×73×12781×56599 |
| 15 | Fully factored | 15 | 1355543005…71<15> | 3×4518476683…57<14> |
| 16 | Fully factored | 15 | 8896096969…25<15> | 52×12251×2904610879<10> |
| 17 | Fully factored | 16 | 1459995432…55<16> | 5×37×911×91237×94949 |
| 18 | Fully factored | 19 | 5932242460…29<19> | 13×177223×667691×3856381 |
| 19 | Fully factored | 21 | 2429254241…13<21> | 7×3470363202…59<20> |
| 20 | Fully factored | 22 | 2100738968…51<22> | 3×1875059×2969479×125763797 |
| 21 | Fully factored | 24 | 2351181069…93<24> | 29×809×126795353×79038050521<11> |
| 22 | Fully factored | 26 | 3529776283…57<26> | 7×47×293×15199×2409176662…19<17> |
| 23 | Composite | 29 | 3557281806…35<29> | 5×7114563612…67<28> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(28 digits) of term #23:
7114563612989558638338136967
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 '715' --type 129 --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":"715"},"type":129,"part":"last20","fr":0}}'