Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 4 | 6182 | 2×11×281 |
| 1 | Fully factored | 5 | 17970 | 2×3×5×599 |
| 2 | Fully factored | 7 | 5378055 | 3×5×179×2003 |
| 3 | Fully factored | 9 | 154747902 | 2×3×3019×8543 |
| 4 | Fully factored | 11 | 37042188941<11> | 71×283×1843537 |
| 5 | Fully factored | 11 | 64167473023<11> | 57973×1106851 |
| 6 | Fully factored | 12 | 143547994178<12> | 2×43×1669162723<10> |
| 7 | Fully factored | 14 | 1299409488…88<14> | 27×307×3229×102407 |
| 8 | Fully factored | 14 | 1479578593…44<14> | 22×72×75488703739<11> |
| 9 | Fully factored | 16 | 4703248683…64<16> | 23×7×41×2887×709543907 |
| 10 | Fully factored | 19 | 1739919481…87<19> | 139×22973×74717×7292513 |
| 11 | Fully factored | 21 | 1112027818…82<21> | 2×34057×843473×1935566431<10> |
| 12 | Fully factored | 23 | 1239298649…65<23> | 3×5×72×13×41×79811×396368082833<12> |
| 13 | Fully factored | 27 | 1234056538…21<27> | 3×199×1511×1368032018…63<21> |
| 14 | Fully factored | 28 | 2536769970…32<28> | 24×83×10631×1796837880…99<21> |
| 15 | Composite | 30 | 5730622119…55<30> | 32×5×7×1819245117…37<28> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(28 digits) of term #15:
1819245117335363676589409437
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 '6182' --type 104 --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":"6182"},"type":104,"part":"last20","fr":0}}'