factordbrpc · fdb
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Home prime · Base 25 of 502 length 14 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 3 502 2×251
1 Fully factored 4 1501 19×79
2 Fully factored 5 11954 2×43×139
3 Fully factored 6 808264 23×71×1423
4 Fully factored 11 12715954548<11> 22×3×11×1181×81569
5 Fully factored 15 1988896215…44<15> 23×59×97×4344085741<10>
6 Fully factored 19 3104435563…91<19> 3121×9946925868…71<15>
7 Fully factored 19 7442038546…96<19> 23×19×428339×114303810557<12>
8 Fully factored 23 4853165725…57<23> 17×2854803367…21<22>
9 Fully factored 24 3986668975…46<24> 2×3×212884412669<12>×312115302839<12>
10 Fully factored 27 7720635966…89<27> 32×8578484407…21<26>
11 Fully factored 29 2846201953…71<29> 7×53×461×2017×8250589490…73<20>
12 Fully factored 32 4027913570…23<32> 7×233×40991620589<11>×6024639899…97<18>
13 Composite 34 1047798978…22<34> 2×11×4762722630…01<32>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (32 digits) of term #13:
47627226305318786631032802166801
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 '502' --type 42 --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":"502"},"type":42,"part":"last20","fr":0}}'