factordbrpc · fdb
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Inverse home prime · Base 4 of 1060 length 34 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
14 Fully factored 16 6068300877…22<16> 2×43×8244857×8558261
15 Fully factored 17 3675745321…22<17> 2×139×72739×1817746391<10>
16 Fully factored 18 4879475814…90<18> 2×3×5×7×2323559911…79<16>
17 Fully factored 19 9517301397…70<19> 2×3×5×12101×289973×90409433
18 Fully factored 21 3976248925…74<21> 2×7×11×1392687721<10>×1853954611<10>
19 Fully factored 22 8153778610…82<22> 2×7×17×761×614413×73271807573<11>
20 Fully factored 24 3222528176…18<24> 2×20026613×34168349×235469807
21 Fully factored 25 4241846949…86<25> 2×11×172×6671668684…17<21>
22 Fully factored 27 1748937915…14<27> 2×8744689577…07<26>
23 Fully factored 27 3497875831…30<27> 2×5×17×74047×498407381×55752395737<11>
24 Fully factored 29 6427813597…78<29> 2×59×89×4893961×58870897×21243697217<11>
25 Fully factored 31 1567508183…78<31> 2×13×6028877627…03<29>
26 Fully factored 31 3858481681…46<31> 2×13×79×26669×7043836587…21<23>
27 Fully factored 32 7563261945…10<32> 2×5×7×131×280507×2940330188…29<23>
28 Fully factored 34 8082318079…98<34> 2×32×37×36977881×3281857262…63<24>
29 Fully factored 35 9021100552…78<35> 2×3×11×1366833417…83<34>
30 Fully factored 36 3499093547…38<36> 2×3×2521×3319×9013×105943×7299322752…53<19>
31 Fully factored 37 8415546169…62<37> 2×4207773084…31<37>
32 Fully factored 38 1683109233…26<38> 2×72×31×1327603×8125856255…87<13>×5135552490…57<15>
33 Composite 40 2483400801…86<40> 2×3×101×519457×7889047842…33<31>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (31 digits) of term #33:
7889047842173830437705538796833
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 '1060' --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":"1060"},"type":14,"part":"last20","fr":0}}'