Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 5 | 20762 | 2×7×1483 |
| 1 | Fully factored | 5 | 95691 | 3×167×191 |
| 2 | Fully factored | 6 | 872127 | 35×37×97 |
| ↳ | Merges Joins the sequence of 6171 (at index 2 of that sequence) - the terms below continue there. | |||
| 3 | Fully factored | 6 | 969313 | 107×9059 |
| 4 | Fully factored | 7 | 3515235 | 3×5×29×8081 |
| 5 | Fully factored | 8 | 61775761 | 151×569×719 |
| 6 | Fully factored | 10 | 2535690959<10> | 23×113×139×7019 |
| 7 | Fully factored | 12 | 199468882795<12> | 5×7×13×97×4519517 |
| 8 | Fully factored | 14 | 2595182431…01<14> | 3×139969×61803743 |
| 9 | Fully factored | 15 | 1243394992…71<15> | 11×13×23×37804651639<11> |
| 10 | Fully factored | 16 | 3155017701…35<16> | 32×5×6474577×10828739 |
| 11 | Fully factored | 17 | 6006279542…99<17> | 3×58620347×341535539 |
| 12 | Fully factored | 18 | 4952886828…83<18> | 7×23×1223×2515394295…61<13> |
| 13 | Fully factored | 19 | 8490163024…17<19> | 32×47×4253×608759×7752377 |
| 14 | Fully factored | 22 | 1972798343…53<22> | 3×7×19×41×296347×406935339661<12> |
| 15 | Fully factored | 24 | 1478427462…05<24> | 5×3407×8678764086…63<19> |
| 16 | Fully factored | 24 | 2203273666…59<24> | 32×103×853153241×278587524737<12> |
| 17 | Fully factored | 25 | 7919287321…25<25> | 52×11×79×15859×56403871×407513129 |
| 18 | Composite | 28 | 6526156926…13<28> | 6526156926…13<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 #18:
6526156926815245877769807913
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 '20762' --type 93 --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":"20762"},"type":93,"part":"last20","fr":0}}'