factordbrpc · fdb
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Inverse home prime · Base 9 of 955 length 36 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
16 Fully factored 24 7478880953…11<24> 13×29×22543×8800017971…01<17>
17 Fully factored 26 3409307265…74<26> 2×7×7188689×3387571051…69<18>
18 Fully factored 28 1181172989…43<28> 8543×66239×132761×977791×16079509
19 Fully factored 31 1282605255…31<31> 19×7578283919…87<14>×8907760713…27<15>
20 Fully factored 32 1485563439…29<32> 457320863×7644222031<10>×4249490819…93<13>
21 Fully factored 33 4649749898…31<33> 192×53×2430225212…07<29>
22 Fully factored 35 1291521316…78<35> 2×655103×6415543613<10>×1536485737…01<19>
23 Fully factored 37 2075564397…91<37> 13×53×3449×8734213350…31<30>
24 Fully factored 38 3759792452…46<38> 2×11×43×103×109×181×251×7792139452…73<26>
25 Fully factored 43 1299509254…61<43> 17×29×5693×42709×8922931×20528399×236724427×250015067
26 Fully factored 45 4562275861…28<45> 24×21937×35989193×116974667899<12>×3087595466…37<21>
27 Fully factored 49 1454297201…98<49> 2×7×3560363×2917634283…89<41>
28 Fully factored 50 1130351300…89<50> 17×89819×40842182137<11>×1812539015…39<33>
29 Fully factored 52 2203624298…72<52> 25×72×1301×42902719×8448081251<10>×118692766723<12>×2511001923…67<17>
30 Fully factored 57 3006300864…21<57> 17×123462221×152166013×6527925123…51<17>×1441971275…31<23>
31 Fully factored 59 2631309706…37<59> 97×4869773×5570465850…77<50>
32 Fully factored 61 1748071208…07<61> 7×41×14618423×47970749×8616042105…91<14>×1008073937…73<30>
33 Fully factored 63 2523365825…52<63> 25×181×1433×39539243×3060842839…99<13>×2512095190…01<36>
34 Fully factored 68 6986849893…67<68> 68477×6446593×1582728545…47<57>
35 Composite 70 3620775244…57<70> 103×23847924593<11>×1474055219…83<58>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (58 digits) of term #35:
1474055219151975052131155956784767407837815687739280580083
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 '955' --type 19 --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":"955"},"type":19,"part":"last20","fr":0}}'