factordbrpc · fdb
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Inverse home prime · Base 17 of 18622 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 5 18622 2×9311
1 Fully factored 6 158289 3×19×2777
2 Fully factored 8 13643727 3×4547909
3 Fully factored 8 77314456 23×71×79×1723
4 Fully factored 12 707126051719<12> 103×6865301473<10>
5 Fully factored 13 1984072125…00<13> 23×52×29×342081401
6 Fully factored 18 1403692281…10<18> 2×5×1403692281…51<17>
7 Fully factored 19 4056670694…26<19> 2×23×1019×8654415442…99<14>
8 Fully factored 22 2088965499…71<22> 33×13×2568871×2316764313…51<13>
9 Fully factored 25 4670582724…80<25> 28×5×157×1798649×1292156230…07<14>
10 Fully factored 35 1068923658…70<35> 2×3×5×3563078861…79<33>
11 Fully factored 37 1750540644…25<37> 32×53×8171×16427×1002503×1156379882…67<20>
12 Fully factored 42 1626226795…49<42> 3×23×677×3481315255…73<37>
13 Composite 44 8403048718…32<44> 23×1050381089…79<44>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (44 digits) of term #13:
10503810897989721958307360734042267681867379
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 '18622' --type 67 --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":"18622"},"type":67,"part":"last20","fr":0}}'