factordbrpc · fdb
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Home prime · Base 34 of 357 length 24 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
4 Fully factored 12 159439316369<12> 29×5497907461<10>
5 Fully factored 13 1528675061…37<13> 3×73×6980251423<10>
6 Fully factored 15 1859921631…27<15> 23×2480783×3259703
7 Fully factored 17 4759340377…43<17> 3×7883×178757×11258251
8 Fully factored 19 7637902226…99<19> 23×251×1323038667…63<16>
9 Fully factored 20 5540715757…27<20> 3×296843×6221825182…63<14>
10 Fully factored 22 8888903078…39<22> 3×1163×51071×4988532887…81<14>
11 Fully factored 25 9661546559…25<25> 52×3864618623…69<24>
12 Fully factored 27 5584719392…69<27> 3×41×1423×3607×4086427×216471864449<12>
13 Fully factored 33 4398324556…13<33> 13×521×50820268783<11>×1277818701…07<19>
14 Fully factored 34 1949076618…91<34> 3×13×3943×1267469529…83<29>
15 Fully factored 36 5670387230…75<36> 3×52×7×52733×119083×7714387×40481087×550766581
16 Fully factored 42 7054346355…01<42> 35×72×139×1043705097…41<16>×4083775134…57<21>
17 Fully factored 50 3143486430…85<50> 5×7×11×19×4297315694…59<46>
18 Fully factored 52 1803569986…39<52> 83×1571×1383180068…23<47>
19 Fully factored 54 9762709615…75<54> 52×30911×1263331450…41<49>
20 Fully factored 56 7026637079…57<56> 163×80627×5346621224…57<49>
21 Fully factored 58 2216099945…77<58> 7×3165857065…11<57>
22 Fully factored 58 3551166255…19<58> 34×4384155870…99<56>
23 Composite 62 5613618926…39<62> 13933×4029009492…83<58>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (58 digits) of term #23:
4029009492946496849650595576501731780552441199345582985883
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 '357' --type 51 --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":"357"},"type":51,"part":"last20","fr":0}}'