factordbrpc · fdb
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Conway climb · Base 7 of 72083 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 2385217 257×9281
4 Fully factored 7 4328680 23×5×108217
5 Fully factored 8 14696693 11×857×1559
6 Fully factored 8 65472027 3×21824009
7 Fully factored 9 142884830 2×5×11×17×109×701
8 Fully factored 11 38027360435<11> 5×17×447380711
9 Fully factored 12 518506987377<12> 3×172835662459<12>
10 Fully factored 13 2207504881…06<13> 2×1103752440…03<13>
11 Fully factored 14 1059887546…89<14> 43×35593×6925111
12 Fully factored 15 2055814577…11<15> 3×167×1987×206513453
13 Fully factored 15 8117162799…20<15> 22×5×41×59×821×20435969
14 Fully factored 18 1918926907…03<18> 13×311×643×73814846047<11>
15 Fully factored 19 1109709925…38<19> 2×5548549625…69<18>
16 Fully factored 19 1671946690…83<19> 3×11×151×709×473244203989<12>
17 Fully factored 20 8849661831…35<20> 5×16211267×1091791509…01<13>
18 Fully factored 22 1034870145…87<22> 3×37×3863311×2413254967…47<13>
19 Fully factored 22 5054190819…32<22> 23×32×19×53×1920271×36301715123<11>
20 Fully factored 25 8039353001…54<25> 2×432×821×16223×118147×1381519973<10>
21 Fully factored 26 6501202253…51<26> 3×2167067417…17<26>
22 Composite 26 8928869505…64<26> 24×5580543440…29<25>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (25 digits) of term #22:
5580543440694153078886129
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 '72083' --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":"72083"},"type":92,"part":"last20","fr":0}}'