Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 5 | 16462 | 2×8231 |
| 1 | Fully factored | 6 | 189315 | 32×5×7×601 |
| 2 | Fully factored | 9 | 168272327 | 5591×30097 |
| 3 | Fully factored | 9 | 366195790 | 2×5×36619579 |
| 4 | Fully factored | 11 | 19371757408<11> | 25×41×809×18251 |
| 5 | Fully factored | 18 | 7560780109…07<18> | 3×7×374219×96210280093<11> |
| 6 | Fully factored | 21 | 3275792099…86<21> | 2×3×7×19×239333×1715184546…79<13> |
| 7 | Fully factored | 24 | 1343177917…99<24> | 3×307×43049×2521067×1343774693<10> |
| 8 | Fully factored | 26 | 2944831772…49<26> | 3×982071743×9995304293…81<16> |
| 9 | Fully factored | 27 | 7827421273…53<27> | 11×57073×97847×1274229944…33<17> |
| 10 | Fully factored | 29 | 2295082656…90<29> | 2×3×5×7650275521…93<27> |
| 11 | Fully factored | 31 | 9308090227…47<31> | 3×6581×4714628084…29<27> |
| 12 | Composite | 33 | 1319346237…55<33> | 5×2638692475…31<32> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(32 digits) of term #12:
26386924755247204588515739459231
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 '16462' --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":"16462"},"type":73,"part":"last20","fr":0}}'