Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 291 | 3×97 |
| 1 | Fully factored | 4 | 3364 | 22×292 |
| 2 | Fully factored | 5 | 75038 | 2×17×2207 |
| 3 | Fully factored | 7 | 2984978 | 2×311×4799 |
| 4 | Fully factored | 8 | 89451992 | 23×7×1597357 |
| 5 | Fully factored | 13 | 2900912603…82<13> | 2×23×191×239×1381483 |
| 6 | Fully factored | 16 | 4138771589…34<16> | 2×42407×48798212431<11> |
| 7 | Fully factored | 19 | 3395420648…40<19> | 23×5×19×37×263×459116097899<12> |
| 8 | Fully factored | 25 | 4079787905…53<25> | 277×907×1623867276…27<20> |
| 9 | Fully factored | 26 | 1665302574…07<26> | 4523×3681854022…09<22> |
| 10 | Fully factored | 27 | 2711075323…20<27> | 22×5×47×239×757×33349×4780101673…09<14> |
| 11 | Fully factored | 33 | 1598684212…58<33> | 2×7993421064…29<32> |
| 12 | Fully factored | 34 | 5188943272…07<34> | 3583024079<10>×432930647489<12>×3345113554…97<13> |
| 13 | Fully factored | 36 | 2338765639…81<36> | 73×379×4586097542…63<13>×1843237710…61<19> |
| 14 | Composite | 39 | 2040438563…44<39> | 25×6376370510…67<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 #14:
6376370510193748474988266004041521967
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 '291' --type 50 --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":"291"},"type":50,"part":"last20","fr":0}}'