factordbrpc · fdb
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Conway climb · Base 27 of 230 length 16 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 3 230 2×5×23
1 Fully factored 4 1616 24×101
2 Fully factored 5 42383 11×3853
3 Fully factored 6 220366 2×110183
4 Fully factored 7 1173065 5×234613
5 Fully factored 7 2891818 2×719×2011
6 Fully factored 8 42851902 2×1667×12853
7 Fully factored 9 807665392 24×541×93307
8 Fully factored 11 22757991250<11> 2×54×31×587303
9 Fully factored 14 1670562946…11<14> 31×1297×415490573
10 Fully factored 16 6396192588…83<16> 435263×14695006441<11>
11 Fully factored 18 1229311420…44<18> 23×617×619×40234269091<11>
12 Fully factored 19 8682603904…60<19> 23×5×7×17×131×1392424771…11<14>
13 Fully factored 24 1689738656…52<24> 22×463×9123858839…01<20>
14 Fully factored 25 4517673042…84<25> 24×7×4033636645…57<23>
15 Composite 27 1255129513…10<27> 2×5×1255129513…91<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 #15:
12551295132637457534972191
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 '230' --type 112 --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":"230"},"type":112,"part":"last20","fr":0}}'