factordbrpc · fdb
Sign in
Show
Open
Home prime · Base 28 of 47769 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 5 47769 3×15923
1 Fully factored 5 81779 53×1543
2 Fully factored 7 1164999 3×11×43×821
3 Fully factored 10 1635929717<10> 23×71127379
4 Fully factored 11 11154604371<11> 3×8821×421517
5 Fully factored 11 45901087629<11> 3×15300362543<11>
6 Fully factored 13 1148706357…51<13> 97×131×257×351749
7 Fully factored 14 3671007978…57<14> 13×29×372×41×103×16843
8 Fully factored 20 8476835216…39<20> 3×71×1267127×314075451289<12>
9 Fully factored 23 1575509470…65<23> 5×41×9227×107209×77691837151<11>
10 Composite 26 2019395558…59<26> 2019395558…59<26>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (26 digits) of term #10:
20193955580535096871246559
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 '47769' --type 45 --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":"47769"},"type":45,"part":"last20","fr":0}}'