factordbrpc · fdb
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Home prime · Base 31 of 102 length 13 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 3 102 2×3×17
1 Fully factored 4 2032 24×127
2 Fully factored 8 59166975 3×52×7×251×449
3 Fully factored 11 87125212800<11> 27×32×52×367×8243
4 Fully factored 23 4849487478…10<23> 2×3×5×11×432×17189×48383×95565599
5 Fully factored 31 1412337373…58<31> 2×11×113×347×279007×576881×1017200389…97<14>
6 Fully factored 34 1522718583…88<34> 25×3×11×5711×2524896437…93<27>
7 Fully factored 41 3819760890…78<41> 2×1909880445…39<41>
8 Fully factored 43 1165027046…21<43> 7×13×1097×5813×6397×3138421817…43<30>
9 Fully factored 46 4085888349…10<46> 2×5×29017×14366273×1244132925…51<14>×7878128978…11<20>
10 Fully factored 49 1160260654…99<49> 3×3867535513…33<48>
11 Fully factored 49 1974186745…16<49> 25×7×4979933851<10>×1504271004…91<13>×1176496271…99<25>
12 Composite 57 9705431260…78<57> 2×114957299×4221320153…61<49>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (49 digits) of term #12:
4221320153264809275872540744637378103646241509761
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 '102' --type 48 --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":"102"},"type":48,"part":"last20","fr":0}}'