factordbrpc · fdb
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Inverse home prime · Base 6 of 314 length 24 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
4 Fully factored 10 1160905478<10> 2×580452739
5 Fully factored 10 3482716436<10> 22×870679109
6 Fully factored 11 31344447938<11> 2×193×1579×51427
7 Fully factored 12 518267719736<12> 23×13×4983343459<10>
8 Fully factored 14 3875047874…78<14> 2×7×2767891338…77<13>
9 Fully factored 15 5978645291…76<15> 22×13×73×3727×42258803
10 Fully factored 17 9198821695…70<17> 2×5×71×107×509×617×3855557
11 Fully factored 20 1087695139…68<20> 22×17789269×152858324243<12>
12 Fully factored 21 3327393001…46<21> 2×67×1069×1483×15791×99190667
13 Fully factored 23 6044279926…44<23> 22×5417411×2789284367…51<16>
14 Fully factored 25 1011944156…66<25> 2×2069×407899×5995334517…43<15>
15 Fully factored 26 4698193779…88<26> 26×37×231226081×8580496311…61<14>
16 Fully factored 30 3137165401…46<30> 2×73×632363×3397958807…77<22>
17 Fully factored 31 7396616710…60<31> 23×5×173×211×109741×4616104705…03<20>
18 Fully factored 33 7813523231…94<33> 2×71×545161×42232131797<11>×2389960810…21<15>
19 Fully factored 35 4076836452…52<35> 22×101×1051×4637×2070628143…49<26>
20 Fully factored 37 1622630436…82<37> 2×7×17×67×6271×57923×145687×1922911115…27<19>
21 Fully factored 40 1968081007…96<40> 22×13×277×373×6311×288544073359<12>×2011595646…37<18>
22 Fully factored 43 1600960804…94<43> 2×1361×5881560632…77<39>
23 Composite 44 2744100928…80<44> 23×5×6860252322…77<42>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (42 digits) of term #23:
686025232226030537710743126690052682488577
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 '314' --type 16 --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":"314"},"type":16,"part":"last20","fr":0}}'