Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 4 | 2533 | 17×149 |
| 1 | Fully factored | 4 | 3444 | 22×3×7×41 |
| 2 | Fully factored | 8 | 11560285 | 5×11×210187 |
| 3 | Fully factored | 9 | 111189181 | 37×313×9601 |
| 4 | Fully factored | 10 | 2686919055<10> | 3×5×179127937 |
| 5 | Fully factored | 11 | 94758678791<11> | 7×13536954113<11> |
| 6 | Fully factored | 12 | 311349944606<12> | 2×2063×75460481 |
| 7 | Fully factored | 14 | 2111693651…72<14> | 22×5279234127…43<13> |
| 8 | Fully factored | 16 | 2792714853…95<16> | 5×7×97×822596422261<12> |
| 9 | Fully factored | 18 | 2301962054…80<18> | 22×3×5×652019×5884189607<10> |
| 10 | Fully factored | 23 | 1059832377…90<23> | 2×5×1059832377…49<22> |
| 11 | Fully factored | 24 | 5606513275…38<24> | 2×7×15627079999<11>×2562636359…83<13> |
| 12 | Fully factored | 27 | 1061610838…01<27> | 11×9651007624…91<25> |
| 13 | Fully factored | 27 | 2219731753…04<27> | 27×33×53×149×449×89417869×202578787 |
| 14 | Fully factored | 39 | 1839104300…58<39> | 2×46705117×1968846690…37<31> |
| 15 | Composite | 40 | 6703579313…32<40> | 22×7×17×1408314981…07<38> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(38 digits) of term #15:
14083149818710193375695676377766550907
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 '2533' --type 73 --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":"2533"},"type":73,"part":"last20","fr":0}}'