Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 121 | 112 |
| 1 | Fully factored | 3 | 352 | 25×11 |
| 2 | Fully factored | 9 | 316829271 | 3×11×73×131519 |
| 3 | Fully factored | 12 | 121460628896<12> | 25×3795644653<10> |
| 4 | Fully factored | 18 | 1086660839…13<18> | 67601×1607462669…13<13> |
| 5 | Fully factored | 19 | 1484525531…74<19> | 2×3×977×838589×301990093 |
| 6 | Fully factored | 22 | 7984503979…34<22> | 2×7×59×107×1231×154159×476055053 |
| 7 | Fully factored | 29 | 1162409630…88<29> | 22×61×8291×5745958139…47<22> |
| 8 | Fully factored | 33 | 1580863290…13<33> | 29×3271×3319×19838081×2531097419…13<17> |
| 9 | Fully factored | 35 | 1993651239…13<35> | 7×37×13162871×25512772289<11>×2292140026…53<15> |
| 10 | Fully factored | 37 | 5378566623…67<37> | 79×6808312181…73<35> |
| 11 | Composite | 38 | 6542788006…32<38> | 22×3×172×1886617072…49<35> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(35 digits) of term #11:
18866170721715554996881824961299949
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 '121' --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":"121"},"type":81,"part":"last20","fr":0}}'