Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 434 | 2×7×31 |
| 1 | Fully factored | 4 | 5608 | 23×701 |
| 2 | Fully factored | 5 | 64414 | 2×7×43×107 |
| 3 | Fully factored | 6 | 949887 | 36×1303 |
| 4 | Fully factored | 6 | 100168 | 23×19×659 |
| 5 | Fully factored | 8 | 10809899 | 43×251393 |
| 6 | Fully factored | 8 | 16216992 | 25×32×11×5119 |
| 7 | Fully factored | 10 | 1960746330<10> | 2×3×5×101×647111 |
| 8 | Fully factored | 12 | 312097290242<12> | 2×1867×83582563 |
| 9 | Fully factored | 13 | 5107373626…44<13> | 23×61×10465929563<11> |
| 10 | Fully factored | 14 | 5262999181…89<14> | 23×677×3380000759<10> |
| 11 | Fully factored | 15 | 5430385838…43<15> | 3×3157919×57320299 |
| 12 | Fully factored | 16 | 1106780111…81<16> | 32×37×3323663997…57<13> |
| 13 | Fully factored | 18 | 1622977846…03<18> | 7×17×30181×45188924477<11> |
| 14 | Fully factored | 20 | 6142723236…46<20> | 2×3×11×9307156419…81<18> |
| 15 | Fully factored | 22 | 3357292092…85<22> | 3×5×11953×1872496217…23<17> |
| 16 | Fully factored | 23 | 6493633648…32<23> | 25×282322153×7187748086…67<13> |
| 17 | Fully factored | 24 | 5957314425…91<24> | 47×1267513707…53<23> |
| 18 | Fully factored | 24 | 9059084344…00<24> | 29×52×7×4133×53267×45925368557<11> |
| 19 | Composite | 27 | 1136981383…42<27> | 2×5684906915…21<26> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(26 digits) of term #19:
56849069151004375906735121
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 '434' --type 98 --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":"434"},"type":98,"part":"last20","fr":0}}'