Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 481 | 13×37 |
| 1 | Fully factored | 4 | 1086 | 2×3×181 |
| 2 | Fully factored | 6 | 152310 | 2×3×5×5077 |
| 3 | Fully factored | 9 | 123827247 | 32×13758583 |
| 4 | Fully factored | 11 | 11570968393<11> | 131×88328003 |
| 5 | Fully factored | 11 | 74283850654<11> | 2×13×2857071179<10> |
| 6 | Fully factored | 13 | 2402796861…18<13> | 2×32×131×1018997821<10> |
| 7 | Fully factored | 17 | 2090081614…00<17> | 22×52×19×23×31×43×358799359 |
| 8 | Fully factored | 24 | 1509494856…09<24> | 13×131×8863739615…03<20> |
| 9 | Fully factored | 25 | 2161777454…79<25> | 7×71×19902241×2185509072…27<15> |
| 10 | Fully factored | 27 | 1093293073…62<27> | 2×32×33406229×85602977×2123967023<10> |
| 11 | Fully factored | 32 | 1832811233…33<32> | 19×31×41777×8354732249<10>×8915232156…89<14> |
| 12 | Composite | 35 | 2652800724…21<35> | 8039×3299913825…39<31> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(31 digits) of term #12:
3299913825552250824278888410439
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 '481' --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":"481"},"type":79,"part":"last20","fr":0}}'