Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 4 | 4417 | 7×631 |
| 1 | Fully factored | 4 | 6518 | 2×3259 |
| 2 | Fully factored | 5 | 52037 | 17×3061 |
| 3 | Fully factored | 6 | 417674 | 2×208837 |
| 4 | Fully factored | 7 | 1623399 | 3×541133 |
| 5 | Fully factored | 7 | 2662976 | 26×41609 |
| 6 | Fully factored | 14 | 3005051665…89<14> | 17×567863×3112859 |
| 7 | Fully factored | 15 | 2582690073…19<15> | 151×1710390776…69<13> |
| 8 | Fully factored | 16 | 2192289433…88<16> | 25×3×823×11423×2429107 |
| 9 | Fully factored | 23 | 1787474892…18<23> | 2×11×8124885873…19<21> |
| 10 | Fully factored | 24 | 5962265121…00<24> | 24×52×83×1284924281<10>×13976411023<11> |
| 11 | Fully factored | 32 | 1063233956…45<32> | 5×31×668067641×1026778352…99<21> |
| 12 | Fully factored | 35 | 2174292050…64<35> | 22×3×42643×4249021039…29<29> |
| 13 | Composite | 39 | 2182048297…55<39> | 5×7×617×1010441443…09<35> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(35 digits) of term #13:
10104414435854630290825091105707409
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 '4417' --type 46 --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":"4417"},"type":46,"part":"last20","fr":0}}'