factordbrpc · fdb
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Conway climb · Base 8 of 3641 length 28 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
8 Fully factored 8 59747511 3×29×43×15971
9 Fully factored 9 464895587 13×35761199
10 Fully factored 10 1780591663<10> 37×47×181×5657
11 Fully factored 11 40522913305<11> 5×7×3761×307843
12 Fully factored 12 411614622339<12> 3×50767×2702639
13 Fully factored 14 1404587116…23<14> 3×67×83×193×739×5903
14 Fully factored 17 5640627810…43<17> 6317×8929282587…79<13>
15 Fully factored 18 2222686077…23<18> 3×19×29×1344637675…91<15>
16 Fully factored 19 3809335323…39<19> 11×1871×245671×753405589
17 Fully factored 20 1320904002…05<20> 33×5×26269211×3724692793<10>
18 Fully factored 21 2550213033…01<21> 23×1108788275…87<20>
19 Fully factored 22 1708188337…59<22> 72×8894339×3919457812…69<13>
20 Fully factored 22 4318762345…37<22> 29×26861×9009551×615369523
21 Fully factored 23 1760247293…19<23> 32×7×23×379×37742711×849244999
22 Fully factored 25 1017060554…63<25> 3×158068697×2144764847…93<16>
23 Fully factored 25 7609493982…05<25> 34×5×11×29×59×1619×4111×7283×20594603
24 Fully factored 29 3546376064…03<29> 7×113×4483408425…33<26>
25 Fully factored 30 5721278747…49<30> 28433×2012196654…53<26>
26 Fully factored 31 4399813764…77<31> 3×101×8527×12225929×207828157×670207289
27 Composite 34 1037736966…49<34> 1037736966…49<34>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (34 digits) of term #27:
1037736966549764109262884174990649
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 '3641' --type 93 --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":"3641"},"type":93,"part":"last20","fr":0}}'