factordbrpc · fdb
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Conway climb · Base 6 of 330 length 31 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
11 Fully factored 11 17730965375<11> 53×31×4575733
12 Fully factored 11 12289287157<11> 7×107×16407593
13 Fully factored 11 97911146537<11> 139339×702683
14 Fully factored 12 234036716507<12> 11×67×313×1014547
15 Fully factored 13 5318405981…03<13> 7×17×232×199×424547
16 Fully factored 14 2113108639…95<14> 5×11×7069×54350201
17 Fully factored 14 9023282180…61<14> 7×97×22283×5963773
18 Fully factored 15 7567522074…25<15> 52×14969×2022185069<10>
19 Fully factored 16 3282504890…65<16> 5×29×1151×11551×1702717
20 Fully factored 18 1278974849…53<18> 11×19×18371×33310635727<11>
21 Fully factored 19 1518745413…83<19> 1667×674299×1351129151<10>
22 Fully factored 19 6096283923…07<19> 17×7373983×48631104337<11>
23 Fully factored 20 1400326985…77<20> 159673×8769967279…49<14>
24 Fully factored 20 1621647066…17<20> 13×19×5189×288577×43844387
25 Fully factored 21 3851256306…55<21> 5×13×89×419×1588857821…77<15>
26 Fully factored 23 3299281500…33<23> 643×1489×1165643×29562975353<11>
27 Fully factored 24 6583003833…33<24> 367×1793734014…99<22>
28 Fully factored 25 2255519526…71<25> 18077×792521×1574379602…63<15>
29 Fully factored 26 1850211833…51<26> 7×127×769×3607×7503211891…73<16>
30 Composite 27 3624714109…93<27> 17×277×7697417942…77<23>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (23 digits) of term #30:
76974179423515871941777
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 '330' --type 91 --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":"330"},"type":91,"part":"last20","fr":0}}'