Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 989 | 23×43 |
| 1 | Fully factored | 4 | 1356 | 22×3×113 |
| 2 | Fully factored | 7 | 3369330 | 2×33×5×12479 |
| 3 | Fully factored | 12 | 357267885285<12> | 3×5×127×1747×107351 |
| 4 | Fully factored | 16 | 2953508250…53<16> | 3×9845027503…51<15> |
| 5 | Fully factored | 17 | 3051958525…84<17> | 24×829×2300933749…81<13> |
| 6 | Fully factored | 22 | 2042087172…38<22> | 2×7×353×1699×102061×2382968701<10> |
| 7 | Fully factored | 26 | 6054760518…33<26> | 41×1399×29389×861703×41682425761<11> |
| 8 | Fully factored | 29 | 3283169551…63<29> | 3×13×397×5495179×187049977×2062997467<10> |
| 9 | Fully factored | 32 | 4840877605…66<32> | 2×11×67×409×8029773789…01<26> |
| 10 | Fully factored | 35 | 7126453796…00<35> | 23×53×41×757×2296115538…37<28> |
| 11 | Fully factored | 43 | 1881961245…96<43> | 22×29737951×1582120810…49<35> |
| 12 | Fully factored | 47 | 1349376659…84<47> | 22×3×55721×11899513×4094357667…71<16>×4142076156…29<18> |
| 13 | Composite | 52 | 8289666098…71<52> | 3×1277×3617×41341×1447089523…53<41> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(41 digits) of term #13:
14470895238851747712164669964603310903553
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 '989' --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":"989"},"type":81,"part":"last20","fr":0}}'