Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 802 | 2×401 |
| 1 | Fully factored | 4 | 1859 | 11×132 |
| 2 | Fully factored | 4 | 8372 | 22×7×13×23 |
| 3 | Fully factored | 7 | 1107725 | 52×59×751 |
| 4 | Fully factored | 10 | 1966962307<10> | 312×2046787 |
| 5 | Fully factored | 11 | 12040779760<11> | 24×5×37×4067831 |
| 6 | Fully factored | 14 | 1643374985…03<14> | 7×523×4488869123<10> |
| 7 | Fully factored | 14 | 5885443598…01<14> | 73×107×64327×117133 |
| 8 | Fully factored | 17 | 1506030678…84<17> | 24×911×3299×16823×18617 |
| 9 | Fully factored | 19 | 8712437044…12<19> | 23×79×2027×50989×133380497 |
| 10 | Fully factored | 24 | 1687163934…85<24> | 5×7×149×1522663×2124707621…53<14> |
| 11 | Fully factored | 27 | 3062650488…21<27> | 5807×51829×1017589886…07<19> |
| 12 | Fully factored | 29 | 1250671088…79<29> | 9463×1321643335…33<25> |
| 13 | Fully factored | 29 | 2038172761…94<29> | 2×7×1455837686…21<28> |
| 14 | Fully factored | 29 | 9722845453…64<29> | 23×1511×3892913×2066161349…81<19> |
| 15 | Composite | 32 | 6532787261…50<32> | 2×52×132×7731109185…13<28> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(28 digits) of term #15:
7731109185137992343739969713
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 '802' --type 112 --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":"802"},"type":112,"part":"last20","fr":0}}'