Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 537 | 3×179 |
| 1 | Fully factored | 4 | 5194 | 2×72×53 |
| 2 | Fully factored | 7 | 1298709 | 32×113×1277 |
| 3 | Fully factored | 9 | 903292960 | 25×5×17×313×1061 |
| 4 | Fully factored | 17 | 1539749130…10<17> | 2×5×277×5558661121…13<13> |
| 5 | Fully factored | 19 | 3931535396…57<19> | 3×5865191×223438895509<12> |
| 6 | Fully factored | 21 | 1329066658…31<21> | 67×1983681580…93<19> |
| 7 | Fully factored | 22 | 1668276208…80<22> | 22×32×5×41×3404509×66398322589<11> |
| 8 | Fully factored | 29 | 2349270811…94<29> | 2×3×7×761×47779×1538374525…53<20> |
| 9 | Fully factored | 33 | 2231742381…33<33> | 1823×244753×437308259×1143777868…73<16> |
| 10 | Fully factored | 35 | 1173588003…68<35> | 22×16187×44383×657539×826871707×7511263549<10> |
| 11 | Fully factored | 40 | 1329452908…57<40> | 7×544001×1652459×1169570507…09<13>×1806417447…21<15> |
| 12 | Composite | 43 | 1102503760…85<43> | 5×13×2647×6407856558…07<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 #12:
6407856558738809077724585543016125807
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 '537' --type 79 --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":"537"},"type":79,"part":"last20","fr":0}}'