Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 4 | 1853 | 17×109 |
| 1 | Fully factored | 5 | 10734 | 2×3×1789 |
| 2 | Fully factored | 6 | 829914 | 2×3×138319 |
| 3 | Fully factored | 8 | 20841444 | 22×32×13×44533 |
| 4 | Fully factored | 12 | 318139888283<12> | 7×37×1228339337<10> |
| 5 | Fully factored | 14 | 2692993927…37<14> | 29×257×12893×280253 |
| 6 | Fully factored | 15 | 1121998608…28<15> | 23×59×237711569549<12> |
| 7 | Fully factored | 18 | 1265871517…49<18> | 3×69931×603390731693<12> |
| 8 | Fully factored | 19 | 4737114556…43<19> | 32×7×11×372×502717×9932387 |
| 9 | Fully factored | 25 | 1799727206…62<25> | 2×47×101×841889×2251658997…57<15> |
| 10 | Composite | 29 | 1887618764…32<29> | 22×19×2483708901…07<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:
248370890104114834930501207
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 '1853' --type 110 --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":"1853"},"type":110,"part":"last20","fr":0}}'