Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 418 | 2×11×19 |
| 1 | Fully factored | 4 | 2560 | 29×5 |
| 2 | Fully factored | 14 | 9572368657…31<14> | 7×431×31728102943<11> |
| 3 | Fully factored | 15 | 3432806678…01<15> | 277×557×2224919909<10> |
| 4 | Fully factored | 17 | 1287972187…79<17> | 97×1360237×97615811 |
| 5 | Fully factored | 19 | 4904341034…13<19> | 72×1000885925…37<18> |
| 6 | Fully factored | 21 | 3970577931…55<21> | 5×29×877×3122382677…87<16> |
| 7 | Fully factored | 23 | 1072215722…18<23> | 2×472×191×563×2256912373…97<14> |
| 8 | Fully factored | 27 | 1333667503…19<27> | 5711×1671337×12164429×1148628673<10> |
| 9 | Fully factored | 29 | 1129635795…94<29> | 2×7×13×1423×4361763940…79<23> |
| 10 | Fully factored | 31 | 5217136028…88<31> | 22×579595573×2250334660…39<22> |
| 11 | Fully factored | 34 | 5298567865…44<34> | 23×1213×1353239×83571083×4828110238…53<16> |
| 12 | Composite | 42 | 2061886597…46<42> | 2×315961×508643×6414875445…51<30> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(30 digits) of term #12:
641487544538798474889651786151
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 '418' --type 50 --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":"418"},"type":50,"part":"last20","fr":0}}'