factordbrpc · fdb
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Inverse home prime · Base 29 of 394 length 11 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 3 394 2×197
1 Fully factored 4 5715 32×5×127
2 Fully factored 7 3101698 2×67×79×293
3 Fully factored 10 6011695333<10> 7×1549×554431
4 Fully factored 12 392138557039<12> 59×6646416221<10>
5 Fully factored 13 5589636041…20<13> 26×5×7×2495373233<10>
6 Fully factored 22 1248301508…61<22> 3×31×2762841131<10>×4858258667<10>
7 Fully factored 25 2043904562…28<25> 210×31×6438711449…87<20>
8 Fully factored 38 2278111295…98<38> 2×3×36373×2606311×4005145772…11<26>
9 Fully factored 42 4886482011…32<42> 23×3×11×13×263×8537×88339×7178529947…89<27>
10 Composite 49 6194488985…09<49> 31×41×4873712812…79<46>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (46 digits) of term #10:
4873712812750290773575581830447212391875816279
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 '394' --type 79 --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":"394"},"type":79,"part":"last20","fr":0}}'