Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 301 | 7×43 |
| 1 | Fully factored | 4 | 5146 | 2×31×83 |
| 2 | Fully factored | 7 | 1085564 | 22×223×1217 |
| 3 | Fully factored | 9 | 807929318 | 2×7×17×3394661 |
| 4 | Fully factored | 11 | 23879975909<11> | 34457×693037 |
| 5 | Fully factored | 12 | 494420981536<12> | 25×151×102322223 |
| 6 | Fully factored | 14 | 1672194546…41<14> | 61×293999×932419 |
| 7 | Fully factored | 15 | 4693800118…19<15> | 41×1201×9532300559<10> |
| 8 | Fully factored | 16 | 8454108832…71<16> | 7×211×709×7537×1071131 |
| 9 | Fully factored | 19 | 1094305826…05<19> | 5×101×189337×11444895773<11> |
| 10 | Fully factored | 21 | 5623079781…36<21> | 23×827×25261×3364559477…61<13> |
| 11 | Fully factored | 25 | 4550038911…54<25> | 2×53×163×28753×282307×32442687983<11> |
| 12 | Composite | 29 | 8787725885…65<29> | 5×1757545177…93<29> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(29 digits) of term #12:
17575451771513168194700205793
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 '301' --type 112 --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":"301"},"type":112,"part":"last20","fr":0}}'