factordbrpc · fdb
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Conway climb · Base 18 of 340 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 6 566377 7×80911
4 Fully factored 6 815743 281×2903
5 Fully factored 7 1641695 5×11×19×1571
6 Fully factored 9 190958747 7×2293×11897
7 Fully factored 10 4526262089<10> 131×34551619
8 Fully factored 11 80235375811<11> 11131×7208281
9 Fully factored 12 378597273625<12> 53×211×307×46757
10 Fully factored 13 1032065187…21<13> 73×14137879277<11>
11 Fully factored 14 1449436607…41<14> 72×251×1178499559<10>
12 Fully factored 15 4597869936…07<15> 127×3620370028…41<13>
13 Fully factored 16 8165708450…05<16> 5×72×7537×4422107237<10>
14 Fully factored 19 2022224316…97<19> 11×4733×3884187074…19<14>
15 Fully factored 19 4427168270…39<19> 11×78591671×5121024119<10>
16 Fully factored 20 7507912390…67<20> 17×66389683×66522671197<11>
17 Fully factored 22 2077641039…33<22> 977×11391451×186679618679<12>
18 Fully factored 22 6593727482…11<22> 79×6067×1809523×7602664049<10>
19 Fully factored 24 1728133660…25<24> 52×2399×2881423361…59<19>
20 Fully factored 25 3636057615…35<25> 5×9227×7881343047…61<20>
21 Fully factored 26 6486178244…93<26> 17×83×1597×17401×34427891×48047669
22 Composite 31 1283019839…21<31> 13×163×6054836427…59<27>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (27 digits) of term #22:
605483642794484780854132259
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 '340' --type 103 --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":"340"},"type":103,"part":"last20","fr":0}}'