Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 267 | 3×89 |
| 1 | Fully factored | 4 | 2117 | 29×73 |
| 2 | Fully factored | 5 | 19677 | 3×7×937 |
| 3 | Fully factored | 7 | 1494897 | 3×107×4657 |
| 4 | Fully factored | 8 | 37529417 | 4801×7817 |
| 5 | Fully factored | 8 | 84390193 | 17×4964129 |
| 6 | Fully factored | 9 | 206947521 | 33×11×696793 |
| 7 | Fully factored | 11 | 25153569785<11> | 5×70229×71633 |
| 8 | Fully factored | 13 | 1076228362…17<13> | 32×23×79×127×518207 |
| 9 | Fully factored | 17 | 1141888225…91<17> | 32×7×1129×160542160633<12> |
| 10 | Fully factored | 19 | 7660244870…49<19> | 3×11437×2232591551…59<15> |
| 11 | Fully factored | 21 | 2355078772…99<21> | 3191×9811×7522554764…99<13> |
| 12 | Fully factored | 22 | 7918743816…51<22> | 7×97×193×257×571×90947×4527637 |
| 13 | Fully factored | 25 | 8099965172…09<25> | 47×792×179×5417×8941×3185173909<10> |
| 14 | Fully factored | 28 | 1388985869…49<28> | 1579×17683×4974618156…57<20> |
| 15 | Fully factored | 29 | 4654928738…69<29> | 3×503×42473×1044299×3407111×204126653 |
| 16 | Fully factored | 32 | 5043999705…17<32> | 3×229×2689×300593×587033×1547341361…51<15> |
| 17 | Composite | 36 | 7905839761…23<36> | 191×4139183121…53<34> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(34 digits) of term #17:
4139183121076915840041886448518853
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 '267' --type 111 --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":"267"},"type":111,"part":"last20","fr":0}}'