Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 357 | 3×7×17 |
| 1 | Fully factored | 4 | 3723 | 3×17×73 |
| 2 | Fully factored | 6 | 137637 | 32×41×373 |
| 3 | Fully factored | 9 | 139026713 | 7×647×30697 |
| 4 | Fully factored | 9 | 343508353 | 19×79×228853 |
| 5 | Fully factored | 11 | 29457083301<11> | 3×317×30974851 |
| 6 | Fully factored | 12 | 172004054691<12> | 3×7×233×1229×28603 |
| 7 | Fully factored | 15 | 1950115233…11<15> | 32×2166794704…79<14> |
| 8 | Fully factored | 16 | 6336235194…35<16> | 5×1267247038…47<16> |
| 9 | Fully factored | 17 | 1158913580…27<17> | 292×167×82516079441<11> |
| 10 | Fully factored | 19 | 2039903531…61<19> | 241×401×2003×2347×4490081 |
| 11 | Fully factored | 23 | 1958248038…45<23> | 5×11×30211×67807×173806246067<12> |
| 12 | Fully factored | 26 | 1704915029…99<26> | 1811×21669173×4344521512…33<15> |
| 13 | Fully factored | 27 | 1699090694…45<27> | 34×5×131×1789×1790110755…11<19> |
| 14 | Fully factored | 30 | 3913290720…35<30> | 5×59×271×449×16477×6616469631…31<18> |
| 15 | Composite | 33 | 7319060888…39<33> | 13×53×523×298897×6795366631…21<22> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(22 digits) of term #15:
6795366631672477115321
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 '357' --type 119 --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":"357"},"type":119,"part":"last20","fr":0}}'