Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 847 | 7×112 |
| 1 | Fully factored | 4 | 5089 | 7×727 |
| 2 | Fully factored | 5 | 15274 | 2×7×1091 |
| 3 | Fully factored | 6 | 481280 | 211×5×47 |
| 4 | Fully factored | 18 | 3475103082…54<18> | 2×112×79×1817712670…53<14> |
| 5 | Fully factored | 20 | 7423722134…56<20> | 22×293116007×63317269927<11> |
| 6 | Fully factored | 23 | 5029164410…18<23> | 2×2514582205…59<23> |
| 7 | Fully factored | 24 | 5280622631…41<24> | 13×97×1319707×3173164053…83<15> |
| 8 | Fully factored | 26 | 1200181377…40<26> | 22×5×3349809719<10>×1791417241…13<15> |
| 9 | Fully factored | 29 | 6274931536…81<29> | 3889×1613507723…29<26> |
| 10 | Fully factored | 30 | 1494269502…58<30> | 2×11×13×37×1412086092…19<26> |
| 11 | Fully factored | 32 | 5767102221…42<32> | 2×181053101×1592654914…21<24> |
| 12 | Fully factored | 34 | 6023876283…04<34> | 25×23×643×166657×189743×4025297040…73<18> |
| 13 | Composite | 42 | 2539482586…89<42> | 29×43×2657×7664560051…91<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 #13:
76645600519749939852172288557071291
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 '847' --type 71 --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":"847"},"type":71,"part":"last20","fr":0}}'