Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 4 | 1717 | 17×101 |
| 1 | Fully factored | 4 | 1936 | 24×112 |
| 2 | Fully factored | 8 | 28685100 | 22×3×52×95617 |
| 3 | Fully factored | 12 | 236757845106<12> | 2×33×1777×2467307 |
| 4 | Fully factored | 16 | 2205456230…09<16> | 337×6544380505…57<13> |
| 5 | Fully factored | 16 | 2362521362…14<16> | 2×3×2029×194062868611<12> |
| 6 | Fully factored | 18 | 4805188749…17<18> | 61×20599×382414612603<12> |
| 7 | Fully factored | 20 | 1799103235…43<20> | 33×538771×1060019×1166741 |
| 8 | Fully factored | 23 | 4906495798…30<23> | 2×5×11×1627×2741518577…69<18> |
| 9 | Fully factored | 26 | 1289771567…50<26> | 2×52×882571843×2922757116…53<15> |
| 10 | Fully factored | 28 | 1791961753…92<28> | 23×113×1982258577…73<25> |
| 11 | Fully factored | 31 | 4908268480…56<31> | 23×251×1327×4910033×3751537294…77<18> |
| 12 | Fully factored | 36 | 2997503379…14<36> | 2×17×113×7801934877…67<32> |
| 13 | Fully factored | 38 | 1016755955…25<38> | 53×433×19259×9754052352…27<28> |
| 14 | Composite | 41 | 5980274125…58<41> | 2×1429×6569×3185367945…79<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 #14:
3185367945639559006028440762850579
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 '1717' --type 69 --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":"1717"},"type":69,"part":"last20","fr":0}}'