factordbrpc · fdb
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Conway climb · Base 7 of 567 length 23 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
3 Fully factored 7 1936436 22×17×28477
4 Fully factored 8 94265326 2×347×135829
5 Fully factored 10 4240558736<10> 24×265034921
6 Fully factored 10 5349589403<10> 19×12941×21757
7 Fully factored 11 39091725583<11> 157579×248077
8 Fully factored 12 129773330474<12> 2×172×821×273473
9 Fully factored 13 1596379083…77<13> 19×84019951783<11>
10 Fully factored 13 1924911149…16<13> 22×17257×27885947
11 Fully factored 14 7665739424…34<14> 2×3832869712…17<14>
12 Fully factored 15 5035897250…31<15> 691×113909×6397949
13 Fully factored 16 3285161648…25<16> 52×83×1583210433…51<13>
14 Fully factored 17 6064693393…33<17> 19×3191943891…07<16>
15 Fully factored 18 2197709524…24<18> 23×2747136905…53<17>
16 Fully factored 19 1383939896…70<19> 2×3×5×193×2731×35083×2494711
17 Fully factored 21 4870196492…88<21> 24×139×4861×6053×30977×240257
18 Fully factored 24 1727868182…87<24> 13×677×1963263473…87<20>
19 Fully factored 24 8728089853…57<24> 19×176419×972991×267615601507<12>
20 Fully factored 26 6186797673…30<26> 2×5×13×4759075133…61<24>
21 Fully factored 28 3040066941…69<28> 32×3377852156…41<27>
22 Composite 29 2573962172…64<29> 22×3×89×2410076940…23<26>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (26 digits) of term #22:
24100769403817374062664923
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 '567' --type 92 --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":"567"},"type":92,"part":"last20","fr":0}}'