Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 5 | 28502 | 2×14251 |
| 1 | Fully factored | 6 | 100001 | 11×9091 |
| 2 | Fully factored | 6 | 480716 | 22×47×2557 |
| 3 | Fully factored | 10 | 3783592682<10> | 2×83×22792727 |
| 4 | Fully factored | 12 | 133060702102<12> | 2×72923×912337 |
| 5 | Fully factored | 13 | 4613181770…62<13> | 2×181×2179×5848369 |
| 6 | Fully factored | 16 | 5924798603…69<16> | 32×173741×3789036301<10> |
| 7 | Fully factored | 20 | 1043848737…76<20> | 26×13×1254625886…43<17> |
| 8 | Fully factored | 27 | 3654061716…18<27> | 2×4253×8807×4877783311…79<19> |
| 9 | Fully factored | 30 | 4564011042…79<30> | 3×1040579×1462010105…67<24> |
| 10 | Composite | 32 | 2810546721…17<32> | 181001×1552779664…17<27> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(27 digits) of term #10:
155277966490408622216826317
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 '28502' --type 52 --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":"28502"},"type":52,"part":"last20","fr":0}}'