Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 470 | 2×5×47 |
| 1 | Fully factored | 5 | 31904 | 25×997 |
| 2 | Fully factored | 11 | 11846682382<11> | 2×193×30690887 |
| 3 | Fully factored | 12 | 539423034932<12> | 22×29×103×179×311×811 |
| 4 | Fully factored | 18 | 1145515151…62<18> | 2×67×8548620532…43<15> |
| 5 | Fully factored | 20 | 1502505544…12<20> | 23×32×113×1846737395…17<16> |
| 6 | Fully factored | 26 | 1483264420…42<26> | 2×11×41×43×13895380133<11>×27521566759<11> |
| 7 | Fully factored | 31 | 1775415575…64<31> | 22×3×2539×374587×1555619496…79<21> |
| 8 | Fully factored | 35 | 2196022862…62<35> | 2×7×79×1985554125…77<32> |
| 9 | Fully factored | 37 | 9073505819…40<37> | 22×5×1050197×1406983×3070333159…87<24> |
| 10 | Fully factored | 42 | 7617965940…26<42> | 2×3×41×5306083084…41<20>×5836196065…91<20> |
| 11 | Fully factored | 46 | 1720482014…28<46> | 22×32×107×3691×42829×149419×1890932618…79<29> |
| 12 | Composite | 53 | 2143991054…10<53> | 2×5×2143991054…01<52> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(52 digits) of term #12:
2143991054294061861983328312055692827890824240616001
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 '470' --type 76 --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":"470"},"type":76,"part":"last20","fr":0}}'