factordbrpc · fdb
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Conway climb · Base 12 of 3268 length 17 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
0 Fully factored 4 3268 22×19×43
1 Fully factored 6 541915 5×11×59×167
2 Fully factored 8 17769191 11×43×37567
3 Fully factored 9 404887231 7×67×863299
4 Fully factored 10 3210796099<10> 72×2269×28879
5 Fully factored 12 444305738959<12> 347×1280419997<10>
6 Fully factored 13 1791724202…41<13> 23×77901052267<11>
7 Fully factored 14 1716709357…91<14> 113×151921182107<12>
8 Fully factored 14 8411186706…51<14> 43×1956089931…57<13>
9 Fully factored 15 3853484092…65<15> 5×13×83×109×655293143
10 Fully factored 17 7848825230…91<17> 11×23×83×331×68909×163871
11 Fully factored 20 2476798461…55<20> 5×4953596923…31<19>
12 Fully factored 21 1380702633…51<21> 41×479×7030412104…09<16>
13 Fully factored 22 1098943658…45<22> 5×7×13×2415260787…99<19>
14 Fully factored 24 2572104380…43<24> 23×193×5794332914…37<20>
15 Fully factored 26 1275913067…13<26> 15667×985979×1747519×472656539
16 Composite 27 7207774046…03<27> 277×2602084493…39<25>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (25 digits) of term #16:
2602084493244898977024239
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 '3268' --type 97 --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":"3268"},"type":97,"part":"last20","fr":0}}'