factordbrpc · fdb
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Conway climb · Base 8 of 913 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 7 2938025 52×17×31×223
5 Fully factored 8 88653535 5×17730707
6 Fully factored 9 688819347 32×76535483
7 Fully factored 10 3566196411<10> 3×691×1720307
8 Fully factored 11 27220656115<11> 5×5444131223<10>
9 Fully factored 11 48393804183<11> 3×16131268061<11>
10 Fully factored 12 222289698269<12> 211×2089×504311
11 Fully factored 13 1816857653…51<13> 33×7×41×1879×124781
12 Fully factored 14 1536895942…69<14> 3×7×13×56296554653<11>
13 Fully factored 15 1372890915…45<15> 5×149×3709×5087×9767
14 Fully factored 17 1191829067…35<17> 5×27099767×87958621
15 Fully factored 17 9370926179…17<17> 2604617×35978134901<11>
16 Fully factored 18 1789879533…13<18> 3371×5309639671…03<14>
17 Fully factored 18 9489052428…79<18> 53×5783×3095948903…21<13>
18 Fully factored 19 7663541966…69<19> 29×107×20054977×123147499
19 Fully factored 21 2694080214…75<21> 3×52×7×11×1009×47459×974201479
20 Fully factored 24 1386586946…91<24> 304810853×4549007795…47<15>
21 Fully factored 24 6863730224…91<24> 3×67×131×163×765533×208901390759<12>
22 Fully factored 27 4845545393…55<27> 3×5×19×553411×3072203779…33<19>
23 Composite 29 3627287890…21<29> 3627287890…21<29>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (29 digits) of term #23:
36272878907053366859343137521
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 '913' --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":"913"},"type":93,"part":"last20","fr":0}}'