factordbrpc · fdb
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Inverse home prime · Base 25 of 2483 length 14 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 4 2483 13×191
1 Fully factored 4 4788 22×32×7×19
2 Fully factored 9 188330052 22×3×19×89×9281
3 Fully factored 13 2265904205…52<13> 22×3×229×7243×113843
4 Fully factored 17 1737113396…02<17> 2×72×617×58391×4920067
5 Fully factored 20 1876856670…27<20> 32×307×379×4261×4206292591<10>
6 Fully factored 23 1604573284…28<23> 23×13×6418777597<10>×24036647231<11>
7 Fully factored 28 1432695819…27<28> 17×36663547×2298638063…73<19>
8 Fully factored 29 1402977333…17<29> 37×22943×43391×25227773×15098025409<11>
9 Fully factored 33 3515282973…37<33> 89×2516885060…99<15>×1569303347…67<17>
10 Fully factored 35 2338444214…39<35> 47×349×88421059849<11>×1612308014…37<20>
11 Fully factored 36 9610104647…22<36> 2×33×23×103×971×142567×3667289×12354673×1197718243<10>
12 Fully factored 45 1063787496…52<45> 23×3×19×4180799093<10>×507613357409<12>×1099253099…41<21>
13 Composite 50 2499412174…27<50> 29×71×1213896151…53<47>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (47 digits) of term #13:
12138961510035058619386713215395647121845706753
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 '2483' --type 75 --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":"2483"},"type":75,"part":"last20","fr":0}}'