factordbrpc · fdb
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Home prime · Base 23 of 26929 length 13 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 5 26929 7×3847
1 Fully factored 5 89016 23×3×3709
2 Fully factored 9 309544356 22×3×11×2345033
3 Fully factored 12 163948873929<12> 3×3529×15485867
4 Fully factored 13 5925892122…37<13> 3×172×191×1399×25579
5 Fully factored 16 3593950272…00<16> 23×3×52×17×29×99137×122557
6 Fully factored 23 1282330412…99<23> 32×208961×51673169×131955379
7 Fully factored 24 4461272594…93<24> 33679×49943×3502657×75722917
8 Fully factored 25 8980055681…04<25> 26×16888043×8308444621…27<16>
9 Fully factored 32 4365916043…82<32> 2×3×257×349×8112703042…29<26>
10 Fully factored 35 2376620298…40<35> 24×3×5×43591×2271703924…81<28>
11 Fully factored 42 1486521081…36<42> 23×2671×6956762827…27<37>
12 Composite 46 1808857017…40<46> 27×5×53×5173331×1030808827…17<35>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (35 digits) of term #12:
10308088277798840777945067252580717
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 '26929' --type 40 --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":"26929"},"type":40,"part":"last20","fr":0}}'