factordbrpc · fdb
Sign in
Show
Open
Conway climb · Base 9 of 583 length 25 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
5 Fully factored 6 316495 5×63299
6 Fully factored 7 2720504 23×340063
7 Fully factored 8 11500324 22×112×23761
8 Fully factored 9 866922130 2×5×31×2796523
9 Fully factored 10 9061739809<10> 24917×363677
10 Fully factored 11 13242279074<11> 2×101×3371×19447
11 Fully factored 12 604187615977<12> 11×647×84893581
12 Fully factored 13 3357470851…55<13> 5×3121×215153531
13 Fully factored 14 1391868364…45<14> 5×7×47×691×12244871
14 Fully factored 15 1336816904…13<15> 107×1249361592…59<13>
15 Fully factored 15 2732290052…62<15> 2×7×67×71×4102660819<10>
16 Fully factored 16 5319815470…26<16> 2×7×11×53×651778420823<12>
17 Fully factored 18 4193297156…24<18> 23×163847×319909515899<12>
18 Fully factored 20 2878436348…31<20> 13×2214181806…87<19>
19 Fully factored 21 1602638327…00<21> 24×52×11×31×1471×798745605529<12>
20 Fully factored 24 2001427112…67<24> 7×37×7727517807…13<21>
21 Fully factored 24 5955743766…37<24> 11×21521×989999×2541242537…73<13>
22 Fully factored 25 8158525499…04<25> 28×23671×1346341102…79<19>
23 Fully factored 25 2105904877…84<25> 22×2311×26850847×8484393913…13<13>
24 Composite 27 1314980576…91<27> 929×1415479629…79<24>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (24 digits) of term #24:
141547962971735559573679
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 '583' --type 94 --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":"583"},"type":94,"part":"last20","fr":0}}'