factordbrpc · fdb
Sign in
Show
Open
Home prime · Base 22 of 14019 length 17 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 14019 3×4673
1 Fully factored 5 36617 7×5231
2 Fully factored 5 79767 32×8863
3 Fully factored 6 743575 52×72×607
4 Fully factored 9 594382615 5×37×103×31193
5 Fully factored 12 278598583689<12> 3×373×248971031
6 Fully factored 13 4552452116…31<13> 34×179×313983869
7 Fully factored 17 4040171117…01<17> 172×61×285101×8038469
8 Fully factored 21 1106144083…13<21> 3×7×271×5657×3435871685…99<13>
9 Fully factored 23 1006903674…23<23> 3×439×7645434125…19<19>
10 Fully factored 24 2588478540…07<24> 3×5501×1188613×1319596616…13<14>
11 Fully factored 25 5125505716…85<25> 5×37×7114497409<10>×3894222558…69<13>
12 Fully factored 28 3581263915…33<28> 11644859×3075403416…87<21>
13 Fully factored 29 3506688033…51<29> 32×67×149×181×27458269939<11>×78531122587<11>
14 Fully factored 33 5193321106…75<33> 3×52×7×89×3797×1049297×695205587×4012763681<10>
15 Fully factored 39 1253571755…45<39> 3×5×53×941×3717134182…09<16>×4508003117…79<17>
16 Composite 43 1332321972…71<43> 19×7012220908…09<41>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (41 digits) of term #16:
70122209087912322728942179777498516121009
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 '14019' --type 39 --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":"14019"},"type":39,"part":"last20","fr":0}}'