factordbrpc · fdb
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Home prime · Base 9 of 2809 length 58 Not fully computed yet - the last known term is composite. ↓ .elf file
Show sequence-development graph
Term size (digits) across the sequence
How the sequence develops - decimal digits of each term vs iteration.
nStatus DigitsTermFactorization
38 Fully factored 75 6068759671…92<75> 26×23×43×9016085769…01<15>×1063421996…27<56>
39 Fully factored 80 3583529089…74<80> 2×11×1137247×285763479733<12>×1868790532…81<26>×2682045261…07<36>
40 Fully factored 84 2234888636…89<84> 192×390083×1587053844…03<76>
41 Fully factored 85 2010876107…32<85> 24×631×1403413739…29<14>×3970873472…87<16>×3574079424…29<52>
42 Fully factored 89 1388853907…72<89> 22×7×41×3343×490000337×2089237860…51<23>×3535037573…29<51>
43 Fully factored 92 1041318340…20<92> 22×5×89×68767507×1744513681…99<16>×4876473348…83<65>
44 Fully factored 94 7494449033…55<94> 5×17×397×130051×267037×222254474357<12>×2877362829…01<68>
45 Fully factored 97 1385602974…41<97> 127×1307699334…73<14>×8343094897…71<81>
46 Fully factored 97 3764978747…51<97> 7×23×109×6706500654…09<17>×1099391920…87<33>×2909789971…53<44>
47 Fully factored 100 1410769177…28<100> 22×3526922943…07<99>
48 Fully factored 101 3520655991…27<101> 7×11×401×818309×1393385112…39<91>
49 Fully factored 103 9074122056…83<103> 79×1810771×3684969613…63<28>×1721393203…49<68>
50 Fully factored 105 1008444208…38<105> 2×73×677×1463346945…59<29>×6972090988…21<71>
51 Fully factored 106 2697569294…20<106> 24×5×163×3709×2893732015…91<27>×1927435597…67<72>
52 Fully factored 110 1367464589…99<110> 7×3389×14177×1865807180…79<19>×2179191422…11<83>
53 Fully factored 112 3699568009…71<112> 17×19×694193×1456335363…47<35>×1132939888…87<70>
54 Fully factored 114 6871660005…63<114> 12703×5409478080…21<110>
55 Fully factored 114 6947502313…68<114> 23×232×83×19375948129<11>×205507078421<12>×1522292369…57<24>×3263000421…81<64>
56 Fully factored 119 4768073897…99<119> 613×647×2459×5878813757…29<17>×3830589020…49<22>×2171023039…31<72>
57 Composite 121 1445166305…84<121> 23×223×4271×1896677122…81<114>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (114 digits) of term #57:
189667712248796004494695441307494039407522925892719299818856257168419292284549278558809340580211455256908699885481
Check for factors - let the server run a small P-1 / P+1 / ECM step on the composite:
level 0 done · takes up to a minute
From the command linefdb · curl
fdb
fdb seq view '2809' --type 9 --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":"2809"},"type":9,"part":"last20","fr":0}}'