factordbrpc · fdb
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Inverse home prime · Base 33 of 38347 length 15 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 38347 31×1237
1 Fully factored 5 40852 22×7×1459
2 Fully factored 8 52439774 2×661×39667
3 Fully factored 10 1425534794<10> 2×83×139×61781
4 Fully factored 13 2417828712…17<13> 43×17881×3144599
5 Fully factored 15 1230651371…59<15> 19×1471×4403203591<10>
6 Fully factored 16 5221851605…73<16> 53×9852550199…41<14>
7 Fully factored 18 1072942716…02<18> 2×5364713583…01<17>
8 Fully factored 19 1770355482…35<19> 5×131×2702832797…37<16>
9 Fully factored 20 9713170225…97<20> 9923×9788541999…39<16>
10 Fully factored 21 3517708338…66<21> 2×23×7647192039…21<19>
11 Fully factored 22 8327792131…30<22> 2×5×29×1223471×2347135697…27<14>
12 Fully factored 26 3301031873…82<26> 2×7×17×167×1433×5795756074…99<18>
13 Fully factored 30 8151201293…53<30> 41×27339811×7271805486…03<21>
14 Composite 32 3099130274…51<32> 307×1009488688…93<30>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (30 digits) of term #14:
100948868884332336951135520493
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 '38347' --type 83 --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":"38347"},"type":83,"part":"last20","fr":0}}'