Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 2 | 25 | 52 |
| 1 | Fully factored | 3 | 160 | 25×5 |
| 2 | Fully factored | 9 | 145054365 | 3×5×9670291 |
| 3 | Fully factored | 10 | 9293149809<10> | 32×432×157×3557 |
| 4 | Fully factored | 16 | 3033872798…76<16> | 23×43×47×421×445716767 |
| 5 | Fully factored | 23 | 1178458292…84<23> | 22×3×9820485768…07<21> |
| 6 | Fully factored | 26 | 2925620915…84<26> | 24×23×569×1397198037…77<21> |
| 7 | Fully factored | 31 | 3844057044…17<31> | 17×37×1627×643589×10180231×573304538861<12> |
| 8 | Fully factored | 35 | 1345274120…72<35> | 24×32×16409104969<11>×5693291261…77<22> |
| 9 | Fully factored | 42 | 1390162029…80<42> | 22×5×37×38629×107348573×4530268694…91<26> |
| 10 | Composite | 49 | 1063039418…39<49> | 3×131×307×5349853×1646935511…13<37> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(37 digits) of term #10:
1646935511328967643454140276667121913
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 '25' --type 81 --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":"25"},"type":81,"part":"last20","fr":0}}'