factordbrpc · fdb
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Inverse home prime · Base 4 of 144 length 65 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
45 Fully factored 56 1276577349…94<56> 2×14629×6546259×6665140595…77<44>
46 Fully factored 56 7328399585…94<56> 2×33×4787×15679×111751×5233577×15685843×24340669×8097355066…73<20>
47 Fully factored 59 2755387147…02<59> 2×32×113×3982411×389047177×8743460100…49<40>
48 Fully factored 60 6451534832…26<60> 2×9001×22483×1593998941…61<52>
49 Fully factored 61 6846173321…50<61> 2×3×52×11×2948527×47789627×8144818993<10>×3615295149…79<34>
50 Fully factored 64 1145732766…54<64> 2×7×13×23×53×997×21487×3626297703…47<16>×4375306146…99<16>×1519376469…89<20>
51 Fully factored 65 8674106242…62<65> 2×702503×342665459×4358499123…63<18>×4133702961…81<33>
52 Fully factored 67 2146341289…74<67> 2×32×312×2050384178…21<14>×6051564208…03<49>
53 Fully factored 69 1116316562…94<69> 2×7×186424104509<12>×4277177433…69<56>
54 Fully factored 69 7524490115…10<69> 2×5×47×1129033×1417988086…01<61>
55 Fully factored 71 2436084983…82<71> 2×3×127×43019×3488196891…43<28>×2130473624…83<36>
56 Fully factored 72 2831885185…86<72> 2×13×104537×452957×1347569×13718681677<11>×1244262162…83<44>
57 Fully factored 74 1577289677…74<74> 2×3709×2126300454…43<70>
58 Fully factored 74 3483730664…50<74> 2×52×7×326537091359<12>×8839979735…67<19>×3448202303…73<41>
59 Fully factored 77 1145861759…06<77> 2×463×509×2431103546…09<71>
60 Fully factored 78 1019678733…54<78> 2×3×23×3511474143…13<27>×2104237714…91<49>
61 Fully factored 79 2667438201…10<79> 2×5×89×7219×13711×829300789×14131575373<11>×4779006003…97<23>×5406521737…19<26>
62 Fully factored 81 3314188181…78<81> 2×33×17×101×107×6607501×3059500463…47<18>×1652500390…49<50>
63 Fully factored 84 3432109034…06<84> 2×3×11×23×1026455602…57<15>×2202668472…81<67>
64 Composite 86 1015801539…90<86> 2×5×1447×2387148607<10>×7567081859<10>×3886265324…89<62>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (62 digits) of term #64:
38862653245823206727080827641112092982808569467526543656966489
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 '144' --type 14 --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":"144"},"type":14,"part":"last20","fr":0}}'