Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 4 | 1589 | 7×227 |
| 1 | Fully factored | 4 | 5715 | 32×5×127 |
| 2 | Fully factored | 7 | 1891919 | 127×14897 |
| 3 | Fully factored | 7 | 2802801 | 3×41×22787 |
| 4 | Fully factored | 10 | 1470894595<10> | 5×19×15483101 |
| 5 | Fully factored | 10 | 2751931613<10> | 61×97×465089 |
| 6 | Fully factored | 11 | 29455395265<11> | 5×29×7247×28031 |
| 7 | Fully factored | 14 | 5328802913…51<14> | 83×101×6356677697<10> |
| 8 | Fully factored | 15 | 8793809865…73<15> | 3×37×8573×924104891 |
| 9 | Fully factored | 18 | 7077297514…03<18> | 19×2682221×13887347197<11> |
| 10 | Fully factored | 21 | 1245534654…65<21> | 5×11×29×7808994701…87<17> |
| 11 | Fully factored | 23 | 2749773951…95<23> | 5×31×117773×1506328029…93<16> |
| 12 | Fully factored | 26 | 2014181306…81<26> | 11×251×2269×3215123489…09<19> |
| 13 | Fully factored | 28 | 1266782112…21<28> | 3×37×84349×71431511×1894127320…49<13> |
| 14 | Composite | 31 | 7485894314…93<31> | 7485894314…93<31> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(31 digits) of term #14:
7485894314007450840515509829393
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 '1589' --type 113 --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":"1589"},"type":113,"part":"last20","fr":0}}'