factordbrpc · fdb
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Home prime · Base 23 of 11209 length 16 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 11209 11×1019
1 Fully factored 6 134856 23×32×1873
2 Fully factored 10 7119473255<10> 5×1423894651<10>
3 Fully factored 11 18448021886<11> 2×7×17×491×157867
4 Fully factored 12 183109918602<12> 2×3×13×39251×59809
5 Fully factored 14 8928550731…40<14> 23×32×5×8447×29361347
6 Fully factored 20 2424056758…99<20> 197×937×566549×231792559
7 Fully factored 23 5254767731…18<23> 2×73×233×1361×28549×39755362859<11>
8 Fully factored 27 1595897505…33<27> 3×7×163×14369×986519087×3289016557<10>
9 Fully factored 30 1309568063…90<30> 2×3×5×7×11323621×4273765109<10>×12885842131<11>
10 Fully factored 35 2364311414…88<35> 23×91541×544403×853308389×6949803325…13<14>
11 Fully factored 40 6464502837…52<40> 22×3×19×37×59×1869389175…27<16>×6947792251…99<19>
12 Fully factored 46 1811488994…10<46> 2×5×9753971852…19<15>×1857180871…49<30>
13 Fully factored 49 1015536307…59<49> 7×191×233×2614453×1246887547…43<37>
14 Fully factored 50 7748035074…73<50> 32×61×223×1417267576…33<14>×4465422113…03<32>
15 Composite 54 4015041709…52<54> 22×91867×1092623496…39<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 #15:
1092623496373025327707488695430519491665933070039
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 '11209' --type 40 --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":"11209"},"type":40,"part":"last20","fr":0}}'